Sei Mio Cross The Threshold Instant Door-Mounted X-Shaped Restraint System

SEI MIO Cross The Threshold is a door-based bondage cross system with an X-shaped strap layout designed to turn a standard door into a restraint station. With adjustable straps and a quick set-up, it’s ideal for couples who want full-body restraint positions without permanent fixtures—perfect for travel, small spaces, and spontaneous scenes.

This style of restraint system is popular because it’s practical. You’re using a solid, everyday anchor point (a closed door), then adjusting the strap height to suit standing, bent-over, or upright positioning. Once it’s in place, it keeps the wearer accessible for teasing, impact play, oral-focused scenes, or roleplay where “hands up” control is part of the fun.

What’s included:
1 x door-based X-shaped restraint strap system

How to use (safe set-up):

1. Choose a solid door that closes firmly; avoid lightweight or damaged doors.
2. Fit the strap system as intended, then close the door fully before play.
3. Adjust the strap height gradually and keep the tension comfortable.
4. Keep communication clear and never leave the restrained partner unattended.
5. Remove by reversing the setup and store dry.

Cleaning & care: Wipe clean with a damp cloth and mild soap (or toy cleaner), then dry fully. Avoid soaking and harsh chemicals.