Easily attach this kit to any door for a unique bondage experience. Simply place the 2 acrylic tubes over the top of any open door and the other 2 under the bottom. Then, close (and lock for safety) the door. Secure your partner and enjoy the fun. The kit includes 4 adjustable tethers, 2 velvet wrist cuffs, 2 ankle cuffs, 4 acrylic door jam tubes, and a satin eye mask.