This Scandal BED RESTRAINT KIT is a simple cross-style restraint system that easily slips under your mattress; leaving nothing but 4 cuffs poking out of each corner. It's adjustable and fits any bed up to king size, and can be installed once and used time and time again. Just tuck the cuffs under your mattress between uses to keep the secret between you and your partner.
3-piece under-mattress restraint kit with adjustable wrist and ankle cuffs
Bed restraint adjusts to fit any bed size up to king size