Note: This story was dynamically reformatted for online reading convenience.
 
 Ellen's Sex Shop 3: Tinker's Workshop

   Tinker was delighted as she looked over her small audience.  While some
of Ellen's girls loved the various sale drives and events over all else,
Tinker preferred the workshops.  Trisha had come by her nickname of
"Tinker" honestly, she was the store's de facto expert on sex toys of all
types and the little seminars she ran as an extra for their VIP customers
were her preferred duty at Ellen's Delights.  Today was even better than
usual, as this particular, rather small, class was among her favorites to
teach.  It was also among the most hands-on.  Which accounted for a good
chunk of why it had that status.

   There were only three women in attendance.  The hands-on nature of the
class made it a rare exception to the shop's firm "look but don't touch"
rule and, as a result, anyone who wanted to attend had to be hand-selected
by either Tinker or Ellen.  Even if the waiver's these girls signed would
protect the shop legally, no one wanted a black mark on the shop's
reputation if someone unable to handle the seminar ended up in attendance.

   The women covered a range of ages, the youngest was barely twenty, the
second appeared in her early thirties, and Tinker knew the last was
forty-three, even if the brunette looked barely out of her teens.  The
older woman, Karina, wasn't particularly vain, merely rich, and saw no
reason not to spend a far bit of money on the best anti-aging gene mods and
rejuv treatments money could buy.  She was also, ironically, the only
newbie to the class.  The other two, Diana and Lily had attended a
variation of this class the week before.  She was also fairly sure the two
of them had been "practicing" on each other since then.  They seemed to be
more familiar with the subject matter than the single previous seminar
could account for.

   Which, given that the topic of this workshop was two-person toys,
certainly meant they were partnering with someone, even if not with each
other.  It was, of course, the topic which accounted for the rare hands-on
policy, as it was virtually impossible to teach without that concession. 
They would cover three toys over the course of the night, and two required
some measure of active participation.  The first toy for the evening was a
fairly basic double dildo, for Karina's benefit, Diana and Lily had covered
it already.  Later, they would swap to a pair of much more high-tech
solutions, a hard light strap-on with some extra features, and an echo
neural stimulator.

   Tinker finished setting up the program they'd need for the echo
stimulator, and turned to her students.  "Alright!  We're ready to go. 
Now, since Karina is new, we're going to go back over the double dong for
her benefit.  On that note, everyone strip!  No room for modesty here."

   She immediately put her own actions to words, peeling off the shapewear
top she'd been wearing for work.  Her B-cups were the smallest of all the
shop girls and, while she liked their sensitive perkiness, the shapewear
helped her get maximum use out of what she had.  As her breasts met cool
air it became clear to any that hadn't known that her minor metal fetish,
shown before in a nose ring, lip ring, and trio of piercings in each ear,
was continued on the rest of her body.  In addition to the, almost
expected, belly-button ring, each of her small nipples were pierced, and
her cleavage sported a vertical sternum piercing.  As she rapidly divested
herself of the tight pants and thong that had completed her minimal outfit,
the others were shown that her piercings went even further down, with a
vertically pierced clitoris hood and a pair of rings through either outer
lip.  Tinker had, unsurprisingly, been the first finished.  Diana and Lily
had expected the command, and both were nearly finished.  Diana was down to
just her panties, and those came off as Tink glanced at her.  The youngest
member of the group, her hard, athletic body showed off her active
lifestyle, powerful but lithe muscle stretched out on a perfect swimmers
body.  Lily finished a moment later, her soft, petite, but no less alluring
form a startling contrast to Diana's.  Their hair, short-cropped golden
blond and ass-length raven black respectively, emphasized the physical
contrast.

   Karina was, honestly, probably expecting the order to strip as well. 
She'd been to other workshops with Tinker, and it was an almost universal
need for any of the advanced classes.  She'd clearly been caught out at the
abruptness, or else had simply been perving on the other girls stripping,
as she still had her bra and panties on when Lily finished.  Tink honestly
suspected it was the latter.  She was well aware that Karina had an almost
frightening sex-drive.  She also figured that turnabout was fair-play, so
she made no effort to pretend she wasn't soaking in the sight of the older
woman's amazing body.

   Those gene-mods of hers had done far more than slow her aging.  They'd
granted her a rather epic pair of E-cups, a 5' 9" body, and one of the most
amazing rears Tink had ever laid eyes on.  She had curves in all the right
places, somehow making the oversized breasts look completely fitting on her
supermodel frame.  The woman caught her looking and grinned, striking a
subtle pose and blowing her a kiss.

   Tink laughed, then waved to gather their attention.  "Okay.  Since we
have that little formality out of the way," that got a giggle from Lily, "I
wanted to ask Diana and Lily if the two of you are comfortable
demonstrating the techniques we learned last time for Karina?"

   The two of them looked at each other, shrugged, then nodded back to
Tinker.  Lily spoke for the pair of them, "Sure.  We've gotten some
practice in with them since last time, so hopefully we can get it right."
Tink mentally pat herself on the back for her earlier guess.  "Good.  Let's
grab the toys, go over their single-person use, then have you demo the best
options for paired usage." She led the way over to a long table arrayed on
one wall of the small room and pulled back a black cloth to show off her
choices for their first exercise.  The luridly purple, double ended toys
revealed were a low-tech jelly material, smaller at one end than the other
and intended to be easily bent over double.  She passed them around to the
other women, gave them a lube packet, then shooed them back to the padded
mats and cushions laid out on the floor.  She joined them on a mat facing
them, leaning back against a padded wedge, bending her knees and spreading
to give them a good view.  She motioned for them to copy her, and spoke up
when they had.  "Alright.  This is pretty basic, and not really the main
focus of our workshop, so we'll cover this quick." She took a quick, mostly
professional, glance at each woman's slit.  All of them were already wet to
some degree, but only Karina was wet enough for an immediate start. 
Hopefully, watching her would get the other two going properly.  "Now,
since I assume you're all big girls and know how to use a dildo normally,"
that got snickers and snorts, "I'll cover the one unique masturbation
option with a double dong like these." She picked hers up from where she'd
set it on the floor.  "They are obviously designed for double
self-penetration and beyond that the only thing to note about them, mostly
for Karina, is that they go from ridiculously floppy, almost unmanageably
so, to fairly rigid when they are bent into a U shape." She slapped the
unbent dong on her knee, then bent it in half and did the same, it was
noticeably less pliant once bent.

   "That's obviously useful once you get it in, but managing it up to the
point can be a bit of an art form, and something only practice can help you
with." She picked up the bottle of lube she'd left next to her wedge. 
"Getting onto to the main thrust of the matter." Just eye rolls that time.
Well, it was a pretty bad joke.  "It technically doesn't matter which hole
you start with when you're going for double penetration with one of these
monsters.  However, I personally fine it easiest to start with my asshole,
as working around the already inserted vaginal end can be a bit awkward,
particularly if you're new to the experience.  That it's harder to get that
bit in for many women, just makes starting there even more logical as far
as I'm concerned." She squirted a generous amount of lube onto the smaller
end of the toy, then set the bottle aside to work it in with both hands. 
"If you aren't experienced with anal play, or for that matter even if you
are, I recommend working a couple of fingers in first.  This particular toy
isn't huge, but some of the others we sell definitely are." She put action
to her words, taking a lube-covered hand and beginning to work some of it
into her rosebud.  She didn't really need it, with how often she did this
sort of thing, but best to set a good example.

   She glanced at her charges again, and noted that all three were notably
more aroused now.  Good.  She slipped a finger in and lubed her insides
thoroughly.  "If you feel you are ready, grab your lube and beginning
applying it to the toy and yourself while I insert." She was gratified to
see all three of them do so, and amused that Karina was the slowest about
it, splitting her attention to watch Tink avidly.  Tink pressed the smaller
head of the toy to her rear opening and relaxed her muscles.  She teased
the opening for just a few moments before sinking half the length of the
toy in with the ease of long experience.  She gave a couple of perfunctory
thrusts, then turned her attention to the others.  Lily was already in the
process of inserting her own toy, not needing prompting, and it looked like
Diana was about to join her.  Karina was behind, and not just because she
had been watching Tinker.  She was visibly having a bit of a hard time
wrangling the toy in its unbent state.  "Karina, go ahead and bend it a
bit, even just a small bend with make it easier to position." The older
woman nodded and tried it, quickly managing to get it under control and in
position.  She was either more eager than the others, or perhaps just more
used to anal, as she inserted the toy with nearly as much grace as Tinker
herself had.

   By that time all three had the smaller end of their dildo's inserted,
and the imagine they created, legs spread with lengthy jelly dongs lewdly
dangling, was enough to penetrate Tink's professionalism slightly.  She
licked her lips, feeling a flush of high arousal beginning to tint her pale
skin.  She cleared her throat, ignored a knowing looking from Karina, and
started teaching again.  "Okay.  Now that we've got step one complete, the
rest is pretty obvious.  Which doesn't mean it's easy, sadly." Grasping her
dildo, she withdrew it until only three inches were inside her.  "The only
real tips I can give you at this point are to only keep a minimal amount of
the toy insert, I use about three inches, and to clench down gently if you
can without pain, it will provide a bit of stability while maneuvering the
toy." She bent her toy over, easily aligning it with her core.  She paused
before inserting.  "Also, it should go without saying that you should use
lube here as well, if you need it.  I'm gene modded for extra natural
lubrication, so don't feel you have to try to match me."

   Warning given, Tink pressed the head of the bent toy into her lips,
easily taking the modest size despite her own tightness.  That extra
lubrication mod was awesome.  Well, that and she did this a lot.  She sank
both ends of the dildo in as far as she could, then examined how well the
others were doing.  Diana and Lily were no surprise, they'd been through
this with her in the previous session and both were hilting their own toys
as she glanced up at then, Diana letting out a low moan as she did so. 
Karina was a bit more surprising, she'd beaten everyone but Tink herself,
already having the toy buried inside her and now focusing on Diana.  Diana
noticed the attention and blushed slightly, she likely hadn't meant to let
the moan escape.  They'd discovered, last time, that she was incredibly
responsive to the full feeling the double penetration gave.

   Tink chuckled at the byplay and picked up the thread of her lecture. 
"The last bit is actually more annoying than you'd think.  It can be a bit
awkward to manage thrusting the toy, the jelly doesn't give the greatest
hand hold.  The best thing to do is simply experiment, though I will
mention that one of the most effective options is to place the outside
portion against a surface, hold it there, and thrust against it." She spun
on her wedge, she'd selected it with this in mind and under the padding the
surface was just hard enough for the demonstration to work.  She leaned
forward as far as she could, to give them a view of what she was doing from
behind, and used one hand to trap the U of the dildo bend against the
wedge. Using the other hand for balance farther up the incline, she slowly
lifted herself off the double dildo, biting off a moan of her own at the
feeling, then pressed back down.  She repeated the motion several more
times, then fully impaled herself and spun back around.

   "Alright people, play around with your options for a few minutes. 
Diana, Lily, I've already helped you, so just enjoy yourself.  Karina, I'll
help you figure out what works for you." Tink, very regretfully, removed
her toy, and moved over to help Karina.

   It took a few minutes to satisfy the woman, she refused to switch to the
easier position at first.  Once Tinker realized why, she shifted the horny
woman's wedge so that she'd get a good view of Diana and Lily working
themselves from the new position.  She tried not to roll her eyes when she
got immediate compliance.  She left the older woman to her increasingly
eager efforts, moving to check on the other pair.  Finding nothing of note
with them, aside from the fact that they were both hot and she really
wanted to force a few more of the cute noises Diana was making out of her,
she reluctantly shifted over to the supply table.  She picked up a pair of
much stiffer, and somewhat thicker, double-enders and moved back to her
instructor's mat.

   She watched for a few moments more, holding the dongs in one hand while
she idly played with one pierced nipple.  Lily's efforts to keep quiet were
failing almost as badly as Diana's now, and Karina wasn't attempting to
keep quiet at all.  She was tempted to just let them finish, but being
worked up would make the next bit smoother.  She cleared her throat loudly,
"Okay, ladies!  You've obviously got this down, time to move on." Diana
came back to awareness the most abruptly, blushing hotly as she spotted
Karina watching her.  Lily merely pouted, and Karina glared at Tinker,
prompting Tinker to grin and wink at her.  That seemed to throw her off,
and she settled down, withdrawing her toy and readjusting herself to face
Tinker.

   "Diana, Lily, as you two have agreed to demonstrate this for us, why
don't you push your mats together, then lie down as I showed you last
time."

   Both girls nodded and readily complied.  Diana seemed a tad nervous, but
settled down when her smaller partner gently touched her elbow.  Once the
mats were in place the girls lay nearly crotch-to-crotch, legs spread wide
and overlapping.  Tinker had taken the time to set one of the firmer dongs
aside, and mildly lube both ends of the other.  Both girls were visibly
dripping, but a little lube was a good policy anyway.  She waved Karina to
their other side, and when the woman silently complied Tink knelt to hand
the dildo over to Lily, who appeared by far the more comfortable of the
two. Once Lily silently took the offered toy Tinker began her lecture,
directing her words at Karina.  "Now, there are a fairly large number of
positions that the double dildo can be used in.  The one our volunteers
here," she waved and the pair, "are demonstrating, is the easiest for
unassisted newbies.  Note the leg positioning and the small distance, only
about five-inches, that they've left between them.  If you're using a truly
monstrous toy, rather than the fairly tame twelve-incher we have here, you
might need a bit more space, but this is just about perfect for what we
have.  Lily, if you would insert your end please?"

   Lily nodded and quickly pressed the toy to her slit.  She smirked a
little and fluttered her eyelashes at the unabashedly starting Karina, then
slowly sheathed far more than just her half, stopping at about ten inches.
Lily giggled as the older woman licked her lips, then she reversed
direction until only half the toy was inside her.  Tinker shook her head
but grinned a bit at the showboating.  "Good, Lily.  Now Diana, if you
would?" The other girl was clearly far less comfortable with her audience,
but complied fairly swiftly regardless.  She grabbed the unattended end of
the dildo and shifted her hips to insert it, she got about three inches in,
leaving four in her partner and five between them, then looked up at Tinker
for instructions.

   "Good.  Now, at this point you have two options, but for both of them
you want a bit more even of an insertion.  If you two would close the gap a
bit?" They did, and the ease with which they, silently, ended up with five
inches each and two in the middle showed clear evidence of how much they'd
been practicing together.  "Perfect.  Now, if I remember right, Diana, you
had the better muscle control, correct?" The blond nodded and Tink
continued.  "Good, if you'll tighten down then?" She nodded again and
Tinker looked up at Karina.  "Often the easiest way to do this is for one
girl to clamp down with her vaginal muscles, this will allow them to move
with it thrusting in and out of Lily only."

   She motioned for them to start, and the girls began moving.  As they
came together, pussy's kissing, then drew apart again, the dildo stayed
firmly rooted in Diana, the other eight inches repeatedly impaling a softly
mewling Lily.  Tink was pleased when, after a half dozen thrusts, the
switched without needing to be told.  She stopped them after they'd flipped
twice more.  "Now, sadly, this has the downside of been a bit rough on the
body without enough pleasure to get off easily.  Still fun, but really just
a warmup.  Once you get a good rhythm you can mostly stop clamping down,
only doing so as needed.  The only thing to remember is that both of them
need to want the other to get off for it to work naturally." She nodded to
the girls and they picked up where they left off, only this time they
weren't sticking to a pattern of slow thrusts.  Instead, they steadily
built speed, freely exchanging the dong.  Within a dozen thrusts a change
came over Diana and she lifted herself with her arms, zoning out as she
used the leverage to add a grinding motion and deeper thrusts.  Both girls
were moaning, panting, and rapidly beginning to glisten with sweat.

   Tink watched silently for a moment, then leaned in to whisper in Diana's
ear, wanting to advise her without breaking her trance.  "Di, with Lily's
build you should lower your angle just a--" Lily cried out on the next
thrust, looking surprised at the increased pleasure the sudden change had
forced.  "There you go, perfect." She smiled and let the two get on with
it.

   She grabbed the other dildo, not bothering to lube it.  She was soaked,
and Karina's juices had been running down her thighs from the moment Lily
showed off her talents.  Karina resisted moving away from the humping
couple, at least until Tink waved the dong in her face.  The older woman's
eyes lit up and she towed Tink to another pair of mats, these already
pressed together.  Tinker couldn't help but laugh at the eagerness.

   The older woman just smiled.  "Thank what you want, my dear.  I haven't
gotten any in nearly two weeks!"

   Tink shook her head and quickly stopped the woman from mimicking the
pose of the other girls.  "You've seen the basics of that pose, and anyone
can figure it out with a bit of time.  We'll try one of the other options.
Normally, I'd work you through both, but with the others a session ahead of
you...."

   She nodded happily enough.  "Say no more, I'm just glad you let me join
late." She spread her arms.  "Now, how do you want me?"

   Tink grinned, Karina's easy going nature was the main reason they'd let
her join late.  That, and the fact that another girl had dropped after the
first session.  "We'll go with a simple doggy style, get down on your hands
and knees, facing away from me." Tink dropped to her own knees, but didn't
face away from the other woman yet.  Once Karina complied, even arching her
back a bit to present her dripping pussy for inspection, Tinker lined the
dong up and gently pressed it home.

   Karina moaned lewdly and actively bucked into the thrust, aroused beyond
any thought of control.  She knew she shouldn't, but Tink couldn't help
thrusting a couple of times, delighting in the unforced gasps and groans
the woman under her hand let out.  She forced herself the stop after a half
dozen thrusts, leaving the double dong buried halfway into the woman.  She
quickly positioned herself to take her own end, backing up to press her
dripping slit to the dildo.

   "The easiest way to do this is to just have the second woman reach
between her legs and handle the alignment, rather than trying to do it
hands-free.  Clamp down for a moment, if you can." She suited actions to
words, aligning the toy with a hand and sheathing it inside her, backing up
to press right into the other woman's ass.  There was almost no movement
into Karina as she did so, showing the brunette had excellent muscle
control.  Somehow, Tink wasn't surprised.  "Alright, you can release.  I
could try to walk you through this, but I think we're better off just
experimenting."

   She didn't wait for a response, clamping her own muscles down and
pulling the dong most of the way out of Karina, then pushing her hips back
roughly, fucking the older woman with the toy and setting the tone.  Karina
let out a happy moan and started awkwardly trying to help.  The first few
attempts were almost comical, as they always were with newbies.  But,
surprisingly quickly, Karina got in sync with her and TInk found herself
enjoying the experience.  She should have called it quits, she could see
Diana and Lily had finished and were watching them, but she wanted to cum
and knew Karina was damn near desperate for it.  She applied her
hard-earned skill, angling the dildo for maximum pleasure to the both of
them.  Karina came within a few more strokes, and clamped down tight on the
toy.  Tink took full advantage, roughly fucking herself with the rooted
toy, angling her thrusts for her own pleasure only.  She quickly hit her
own peak, tumbling over the edge with a gasp.

   They both collapsed for a few moments, but Tink was back up quickly,
Karina not far behind.  Tink walked to the supply table, energized by the
experience far more than drained.  She clapped her hands together.  "Well!
I'd say that went well.  Now, on to the good stuff!" They smiled eagerly
back at her.

   She whipped off another cloth, revealing...a trio of metal belts?  She
chuckled at their puzzled expressions and picked one up.  She held it up,
folding down a pair of metal strips from inside the belt.  The two thin
strips ran down from the belt, through where the crotch would rest, and
back up to the belt.  Despite passing through the crotch, they were clearly
designed to sit on either side of the wearer's slit, granting access in
much the same way a pair of crotchless panties would.  "These are among my
absolute favorite two-person toys.  Let me show you why."

   She tapped a small control on the side of the belt and it sprang to life
with a low hum.  A glowing holographic plate appeared first, between the
two strips, covering where the wearer's pussy would rest.  A hard light
cock, quite realistic looking save for its vivid red coloring, jutted out
from the plate a few moments later.  She turned the belt, showing them that
another, somewhat smaller, cock had formed on the inside, obviously
intended to penetrate the wearer.  "These belts use dozens of small hard
light emitters, and they do far more than just mimic a more traditional
strap-on." She carefully mimed the motion of a thrust, while still letting
them see inside, which took rather a lot of practice.  She was gratified to
see the realization on their faces as they watched the smaller inside cock
grow and shrink with the thrust.

   "I see you all understand.  The hard light emitters thrust the internal
cock in and out with the exact timing and power of the wearer's own
thrusts, effectively allowing them to fuck themselves as well as their
partner.  More, they can even vibrate, and the system translates motions it
can't mimic as appropriate levels of vibration." She grinned and added, "it
even does a decent job of translating blowjobs into appropriately powered
vibrations, so you can actually get off by your partner blowing the
light-cock."

   She could see they were eager to begin, so she cut to the chase.  "The
major learning curve for this toy rests on the wearer, so I'll act as a
receiver for at least one of you.  Alternatively, if you all want to try
the wearer side, I'm willing to receive for all three of you.  Either
singly, two at a time if you want to try the blowjobs, or even all three if
you're feeling really adventurous.  Take a few minutes to discuss it
amongst yourselves."

   Karina practically dragged the other two away, and TInk busied herself
with double checking the toys.  She suspected she knew which option the
older woman would try to talk the younger two into, but had no idea if
they'd go for it.  She was pleasantly surprised when they returned and
Karina announced their decision.

   "Get those toys on us and bend over girlie, we're all taking you at
once."

   Tink grinned happily.  Even most of these groups didn't go for that
option, and it was an awesome experience.  It wasn't everyday she could get
pounded by three-cocks at once, even if they were fake-cocks.  Well, she
supposed she could, but she didn't.  She scooped up all three of the belts
and set about showing the girls how to adjust the semi-rigid metal to their
differing body types.  She mischievously targeted Diana first, not warning
her about the automatic "fitting" program that the hi-tech belts used to
calibrate the projectors for the wearer.  The delightful squeak the girl
let out when the belt activated and abruptly penetrated her, thrusting
several times, rapidly, and with different sizes and shapes of cock,
threatened to shatter what little remained of Tink's professional mask. 
The only thing that saved her was being torn between maniacal cackling and
giggles.

   Once she had them all squared away, a trio of well-lubed eight-inch
fake-cocks pointing at her, she swept them over to the mats and gave a
quick lecture before the impending lack of ability to speak.  "Alright
girls.  I've gone over the basic operations and minor safety points, so
just three last bits.  First, as a last note on the toy usage, if you
haven't used a strap-on before thrusting may feel awkward at first.  It
will likely take you a few tries to get a feel for it, so don't worry if
you have a comical miscue or three.  Second, make sure you don't wipe
yourselves out before you each get a chance to experience both a blowjob
and penetration.  Also, remember that we have another toy to cover tonight,
so don't completely run yourselves out of steam.  Third, and relating to
the previous two, don't worry about me.  I'll likely lose it pretty quickly
with all three of those monsters making themselves felt, but I've done much
more intense things before.  I've also got mods that help, so don't be
alarmed unless I actually pass out."

   Diana and Lily looked a little nervous about that, but Karina just
nodded, she likely had a few of those mods herself.  It was a needful
warning for them, regardless.  Tink had a bit of a hair trigger for
climaxes once she got started, and she'd been fully multi-orgasmic even
before Ellen modded the heck out of her.  With Tinker's full, gleeful
consent, of course.  Now, she could handle dozens of orgasms chained
together, each one stronger than the last.  Unfortunately, she lost any
actual coherency after the first half dozen, switching to a sort of
autopilot.  A few previous groups had freaked out, thinking they overdid
it, so the warning was important.

   She repeated the warning, making sure they understood, then guided Lily,
as the smallest of the three, to the ground.  Tinker straddled the girl,
able to rest her hands and knees over the smaller girl.  She lowered her
aching core until the head of Lily's false-cock pressed against her folds.
She looked up, grinning as she focused on Karina, knowing she would be the
instigator.  "Well, what are you waiting for?"

   The older woman smirked and stepped forward, surprisingly choosing to
start with Tink's mouth.  She shoved her cock forward, nearly whacking Tink
in the cheek.  "Nothing, girl.  Now, suck me!"

   Tink rolled her eyes at the ridiculous line, but started moving to
capture the toy anyway.  Her eyes popped open and she nearly squeaked in
surprise as Lily abruptly thrust up into her, driving deep with her lack of
control.  Then she moaned as she felt Diana's lubed light-cock pressing
firmly into her rosebud.  Karina took full advantage of her open mouth,
shoving the head of her cock between Tink's lips.  Thankfully, she had more
control that Lily, but she still pressed right passed Tink's gag reflex,
nearly causing her to choke in surprise.  Lily pulled out, all the way out
in overreaction, and Diana pressed in firmly, slowly filling Tinker's ass
with considerably more control than the others.  Lily fumbled with her toy,
getting in aligned with Tink's pussy again just as Diana fully hilted.

   Trying to ignore the fumbling attempts of her students, TInk took Karina
in even farther and started humming, drawing a surprised moan from the
older woman as her half of the system matched the deep throat with a thrust
and translated the humming as a powerful vibration.  Diana began thrusting
slowly, seeming already in rough control, and Lily only fumbled once more
before managing a jerky rhythm.  Tink's eyes tried to roll back in her
head, hum turning to lewd moans as their efforts began creating more
pleasure than humor.

   Karina grabbed her by her hair and began guiding her mouth.  Tink didn't
fight it, falling into the sensations as their combined efforts slowly
started smoothing out.  Her breathing deepened as Lily and Diana managed to
fall into a rough counterpoint to one another, one pressing in as the other
pulled out, leaving her with a constant full feeling she adored.  Karina
had withdrawn for a moment to let her breathe, but now the rough hand
fisted in her hair slowly forced her to deep throat again, and despite the
roughness, she moaned happily around the cock buried in her throat.

   A few thrusts later Lily reached up, pinching Tink's nipples hard and
she came for the first time.  When they slowed she pulled her mouth free,
losing all pretense of professionalism she demanded, "More!  Please!"
Karina giggled and complied, forcing her fake-cock on Tink again.  The
combined pace of her students picked up again, and as they mastered the
belts more fully the room began filling with surround sound moans.  Tink
felt the false-cock in her ass twitch and grinned around the one buried in
her throat.  They only did that as a signal that the wearer had cum.  She
was only slightly surprised it had been Diana not Karina that peaked first.
She was ecstatic when the athletic girl barely slowed for a few thrusts
before returning with even greater vigor.

   Tinker came again a few thrusts later and time began to blur.  She was
pretty sure she came twice more before Diana showed off her strength by
leaning forward, roughly grabbing Tink's arms and pulling them behind her
back.  She howled in climax as the new angle from Lily hit a particularly
sensitive spot, then was silenced forcefully as Karina's cock found her
mouth again.  Her mind hazed, her body doing its best to ride the cock
below it while another plowed her from behind.  There was a pause where she
barely registered them changing positions, their rhythm broken somewhat as
they adjusted to new holes, but the hands now using her tits for leverage
more than made up for it.

   She didn't know how long it lasted, the incredible pleasure racking her
body shutting off her mind.  She thought there was another position change,
and that her hands were jerking someone off at some point.  Eventually,
someone signaled an end and a scream of incoherent pleasure was ripped for
her as both cocks fucking her sheathed themselves fully, roughly.

   She came back to awareness a bit later, lying propped comfortably on her
instructor's wedge.  As her mind cleared, her eyes darted around for her
students.  Oh, good, they were just over at the snack and drink table she'd
set up.  That would have been what she ordered them to do anyway, they
needed to replenish their bodies before they went for round three.  She
took stock of her body.  Nothing more than mild soreness, and that was
already fading under the accelerated healing one of her many mods provided.
Ironically, that was a military mod she'd had to fuck a senator's son for,
back in her wilder days, before Ellen's Delights.  She thought her use of
it was much better than theirs.  She pushed herself up and pattered
barefoot over to the others.  They forced a drink on her when they spotted
her, and she let them worry over her for a few moments, reassuring
themselves she was alright.  Then she snagged a cookie, and between bites
tried to get back to her actual job.

   "Well, that was fun!" They all beamed, laughed and exclaimed in turns.
"But we aren't done yet."

   They looked at each other for a few moments.  Karina was the one that
finally spoke.  "Okay, I'll bite.  What the hell can top that?  We each
came at least three or four times, and I completely lost track of the
number you had."

   Tinker grinned, readily getting back into lecture mode, she really loved
this last toy.  "Ah, but that was such a crude thing.  This last one is
much subtler, and even hotter in its own way." She waved them after her,
leading them back to the toy table.  She drew the last cloth away with a
flourish to reveal...a set of small wafers?

   She let it sink in, then chuckled at their confusion.  When their
questioning gazes pinned themselves to her she let them in on the secret.
"These little beauties." She picked one up and held it out to show them
more clearly, though there wasn't a lot to see.  "Are neural interfaces,
and their effect is...well, perhaps I'll just show one of you." She
exaggeratedly sized them up, but had already picked out Lily as the happy
medium earlier.

   She stepped around the girl, holding her still with a hand to the
shoulder.  Though she was obviously confused, she held position as Tinker
swept her long hair out of the way.  She pressed the small wafer to the
base of her skull, right at the top of the spine.  There was a small "ding"
noise, then nothing.  She returned to the table, reveling in their bemused
expressions, and repeated the procedure on herself.  She could see a
dawning realization in Karina's eyes and acted quickly, before she could
completely make the connection.  Tink slapped herself on the ass, hard.

   Lily squealed, jumping half a foot in the air before nearly falling into
Diana.  "What the fuc--!"

   Tink cut her off by pinching her own nipples.

   Lily jerked again, hands darting to her breasts, like someone had
touched them with a live wire.

   Tinker grinned.  "I'm sure you're all getting it now.  They link the
nervous system of the people wearing them.  Anything I do to myself, she
can feel." She rubbed a nipple with one hand, and lowered the other to
lightly tease her clit.  Lily moaned in response.

   "Of course, it goes both ways."

   Lily tentatively pinched one of her own nipples and Tink groaned
happily, leaning into the ghost sensation.

   "In some ways these are the penultimate sex toy.  While your linked you
can feel two of everything.  That makes them much better than even our
previous fun, as you could theoretically both get tripled-fucked like I
was, and feel the effects multiplied by two."

   Diana's eyes had glazed and Karina let out a low whistle.  Lily was too
busy mischievously playing with her clit, to Tink's pleasure.  Wanting to
sell them on the toys even further, they were one of Tink's personal
favorites after all, she added, "They have pretty good range too, and can
even be hooked up to the exonet if you don't mind the expense.  So you can
play with a friend or lover across the galaxy." She grinned, eyes crackling
with humor.  "Or perhaps play with them while their trying to shop.  The
echo stimulator is almost unlimited in its fun possibilities."

   Karina was sold, she was almost vibrating in glee as she demanded, "Then
what the hell are we waiting for?"

   Tink smirked and scooped up another wafer, motioning the woman to turn
around.  She complied immediately, and with a press and a small "ding" she
was connected.  She immediately gasped in surprise as she felt Lily's
efforts.  "Oh, yeah.  I may have forgot to mention...they can be hooked up
in a net of up to four people.  Just perfect for us."

   They gaped at her as what she'd just said sunk it, and she took the
momentary halt on Lily's part to step around Diana, attaching the last
wafer.  As a wickedly grinning Karina started to move she cleared her
throat.  "Wait a moment." She ignored the frown leveled at her and pulled a
large chest out from under the toy table.  She popped it open and Karina
immediately lost her frown, eyes going wide.

   The chest was filled with well-organized sex toys of all shapes sizes
and types.  Tink smirked, grabbed her pre-prepared set of favorites and
darted past them to her wedge.  She called out over her shoulder, "You can
use whatever you want in there.  Better hurry up though, you might not be
able to stand much longer." She giggled as she flopped down and armed
herself with a slim vibe.  She flicked it on, applied it to her clit, and
basked in their simultaneous yelps.

   She had worked herself into a nice pleasant buzz by the time Diana
half-stumbled her way to her own wedge, clutching a pair of vibes in one
hand, lube and nipple clamps in the other.  TInk enjoyed the bite as the
other girl fastened the clamps on herself, smiling at the new yelp coming
from Lily behind her.  Karina joined them, much steadier than Diana and
unphased by the pinching feeling of the clamps.  Tink raised her eyebrows
in pleased surprise as she realized why Karina hadn't come from the same
direction as Diana.  She had a glass full of ice from the refreshment
table. It didn't take her long to settle and start tracing the ice around
her nipples.  It made a fascinating contrast with the sharp bite from
Diana's metal clamps.  It actually made Tinker wonder what would happen if
a third person used candle wax for heat.  Amazingly, she'd never thought to
try.

   A shaky legged Lily joined them, glaring lightly at all three of them.
They smirked back unrepentantly, even Diana.  She scowled, then her
expression shifted to predatory as she settled and drew a rather large,
ridged, glass anal plug from behind her.  Diana's eyes widened but Tink and
Karina just laughed.  She pouted outrageously at their response, but
followed through on her implied threat regardless, lubing the impressive
plug and slowly working it into herself.

   Tink groaned and mewled at the deliciously full feeling.  That plug was
one even she'd have hesitated a moment to tackle, and the sensation was
exceptional.  That very little pain was broadcast told her a lot about the
other girl's anal expertise.  Deciding to up the ante, she let her vibe, by
now well lubed with her juices, drift to her own puckered entrance.  She
easily inserted its slim length, then ramped up the power, showing off the
reason it was on her favorites list.  It was ridiculously potent for its
size.

   Even Lily reacted to the new sensation.  For all her apparent
experience, the ghost feeling of a second penetration, not to mention the
powerful buzzing feeling, clearly threw the girl.  Her eyes dilated and
TInk grinned in anticipation.  She was rewarded a second later as first
Lily shuddered, then Karina and Diana cried out as they peaked in response,
joined by Tinker herself.  She may have forgotten to mention to them that
the neural link would broadcast their climaxes as well.

   She didn't give the other girls time to process what had just happened,
plunging two fingers inside herself with one hand, and thrusting the anally
impaled vibe with the other.  Lily howled, she'd gotten the echo of their
peaks and had been right on the cusp of another.  Her second orgasm crashed
through them, but Tink didn't let up, adding a third finger to her still
convulsing cunt and ratcheting the vibe up to max.  Karina mauled both her
tits, and Diana mewled as she slammed her fingers desperately into her own
core.

   Tink smiled predatorily.  That was the other reason she loved this toy.
Groups ended up in a vicious cycle until someone passed out or the link was
cut.  As her mind started to haze again she reached for a realistic looking
ten-inch dildo.



   The action was the last thought complete thought she had until Ellen
woke them in the morning.  All three girls signed up for another class.

   ###

   Authors Note: If you enjoyed my story, check out my new erotic novel
"Freedom in the Sky," available on Amazon or Smashwords.  You can also get
updates on my work, including information on new Free releases (Like the
rest of this 6-part series) on my Facebook Page.

   Amazon:
http://www.amazon.com/gp/product/B01BHDLANY?*Version*=1&*entries*=0
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