Manbound Under The Bed Restraint Gear includes 4 cuffs, 4 restraint straps and one connector strap. Restrains your partners arms and legs from the sides or bottom of the bed. Restraint strap quickly fits beneath any mattress with no hooks. Easy set-up on any mattress. Portable and great for travel. Manbound Under The Bed Restraint Gear from Sportsheets. Keeping couples connected. New images added April 10, 2012.