At last, it was complete. She looked over her finished contraption… the construction took almost a year, and the set up alone took almost a week. She'd done it. As she inspected her masterpiece she smiled to herself.

Sophie was not like other girls. To most girls, tights, leotards and one-piece swimsuits were nothing more than clothes; fashion accessories, no more, no less.

From as long as she could remember, Sophie had been fascinated with tight clothing. She couldn't explain it. An unnatural fascination and curiosity. It made her feel safe and comfortable. But for all of her childhood, the feelings remained largely dormant.

That all changed on her 20th birthday, when she received a fetish magazine as a gag gift; thus adding such terms like 'Catsuit' and 'Zentai' to her vocabulary. Armed with these new search terms, Sophie discovered that her fascination had a name: 'Fetish'.

The thought of a single piece of material tightly covering her entire body in an inescapable embrace was unbearable. Before long, Sophie was the proud owner of a small collection of Catsuits and Zentais.

But it wasn't enough. It wasn't enough to be covered in a tight suit, the suit had to also be inescapable. There was something about its permanence that turned her on in a way she could never explain.

Since then she had been finding various ways to hinder the removal of her suits, from padlocks to completely zipless latex suits. But there was always a way out, and she knew that. And then there were other inconveniences to being permanently stuck in a suit.

However Sophie never gave up. A small fortune and several years since her introduction into the world of tight bodysuits, Sophie has arrived at her destination.

Sophie had to break new ground to get what she wanted. The downside being that she had no idea what would happen… in practice.

In theory, however, she'd created an inescapable Catsuit with a high neck, gloves and feet. As much as she'd like to include a hood, she this thing called 'Real Life' that needed her to have a face.

The catsuit had one zip. Unlike most catsuits however, this zip did not start from the neck. This zip was ridiculously short. It started from the middle of her back, between her shoulder blades, and ran down to just above her tailbone.

In theory, she would maneuver her body to enter the suit from the back; arms, head and legs pointed forward to slide into their respective holes. Her butt would be the last part of her body to enter the suit, and once in, the suit's tightness would cause the entire outfit to slide over her butt and snap into its final resting position; the open zip would reposition itself over her back, such that she could no longer exit the same way she got in: theoretically making escape impossible or at least unrealistically difficult.

Making the suit was easy. Sophie quickly realized however, that getting into it would be another task altogether. Her initial attempts to get in ended up either in a tangled mess on the floor or with the suit in shreds.

It turned out to be a blessing in disguise as she had not devised any "prolonged stay" devices, which would have resulted in a very inconvenient bathroom break.

To take care of her needs, she designed a device that resembled a hollowed out silicone dildo. In its standard state, the device was very much like a female condom except it had tubes in the right places to allow for her respective fluids to vacate her body. The device's walls, however, could be inflated, and had a built in motor for her more… primal urges. Its design also allowed for the occasional (but rare) male companion.

She had a similar device for her rear end but without all the fancy bells and whistles… That sort of play just didn't interest her that much.

The next issue was of the suit's material. It had to be tight, and it couldn't have too much give. At the same time it must be resistant to sharp objects… knives made escape too easy. As a prototype suit, (not intended to be completely permanent… yet) she'd ordered a specialized blend of rubber and spandex that had the unyielding tightness and shine of rubber, but the breathability and range of movement offered by spandex. The material was completely seamless and tougher than her other suits against a blade, but it still cut after some effort. Regardless, the tightness of the suit would make cutting rather difficult.

When the suit was ready, she designed a machine to ease entrance. The machine did nothing to help her remove the suit. The machine held the suit in position, the arms and legs with the attached gloves and socks stretched forwards, the neck hole and zip hole held open, and the special devices positioned for easy application.

Theoretically, Sophie would enter the suit in two phases. The first was to climb into the suit partially, standing in the suit's knees. She would then bend forward and down to reach her arms into the suit. The machine had an automatic lever she could use to change the suit's position to allow her to reach into the gloves and stick her head through the neck hole.

Once in that far, escape is difficult but still possible. Following that, Sophie would lower her legs, one at a time, into the attached socks as far as she can go. at this point, her butt sticking out of the zip would prevent further entry into the suit, as well as causing additional strain on her neck as the suit pulls against it. At this point, Sophie can still back out.

If she remains true to the plan, she can initiate phase two by pressing a button near her left glove. This extends an arm that would push her hips down into the suit while pulling the back of the suit up into her. According to her calculations, at which point, the suit will snap quickly into place; devices lining up properly. Once she has been snapped in, the entry would be complete and the zip hole would have realigned with the middle of her back, carefully calculated to be just the right length to be completely useless to exit through - only her hips would have the necessary flexibility to push through the hole; her back is unable to move in any way to facilitate escape.

Based on her original fitting, the suit would be at that point as tight as any other catsuit in her closet. The machine would then pull the zipper and detach the pull tab, finally releasing Sophie.

If all goes according to plan and theory, by this time tomorrow, Sophie would be inescapably wrapped in an impossibly tight suit... no hope of escape, stuck in her permanent second skin... That thought alone was almost enough to get her off...

"Control yourself, woman. It's just a theory." She thought to herself as she began to approach the machine.