Turn any size bed into a place of binding pleasure. Restraint straps quickly fit beneath mattress or frame without hooks. Restrain your partner’s arms or legs from the sides or the top and bottom of the bed. Portable and travel-sized. Includes 4 cuffs and restraint straps. How to setup the restraint system: The quickest and easiest bed bindings restraint kit there is. No confusing set up just simply strap around any size mattress, pull to adjust to size and strap your partner down by the ankles or arms or both and away you go.