Bondage in BDSM is the activity of tying or restraining people using equipment such as chains, cuffs, or collars for mutual erotic pleasure.[1] According to the Kinsey Institute, 12% of females and 22% of males respond erotically to BDSM.[1]
A number of bondage positions and methods are used in rope bondage and other BDSM activities. Ropes are a common element of these positions, although straps, webbing, chains, hooks, manacles, spreader bars, collars, common furniture, purpose-built frames, various gags and monogloves may also be used. The ties and frictions often are variants of Japanese bondage, shibari and kinbaku from where they derived.