Be Classy and Kinky: Hidden Restraint SystemTurn any sized 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.Hot Tip! Just before you climax, tense all the muscles in your abdomen and thighs by pulling strongly against all 4 restraints. This will fatigue your muscles. When you climax, your exhausted muscles will contract rapidly, resulting in a more intense orgasm. It‘s amazing!