ball torture within a BDSM relationship, the parachute provides a constant drag, and a squeezing effect on the testicles. Moderate weights of 3–5 kg can be suspended, especially during bondage, though occasionally much heavier weights are used. Smaller weights can be used when the participant wearing it is free to move; the swinging effect of the weight can restrict sudden movements, as well as providing a visual stimulus for the dominant partner. Humbler A humbler is a BDSM physical restraint device, a cock-and-ball bondage toy used to restrict the movement of a submissive participant in a BDSM scene. It consists of a testicle cuff device, typically a ring, that clamps around the base of the scrotum while it is drawn back between the legs. This is mounted in the center of a bar or pair of rods that pass behind the thighs at the base of the buttocks. As a result the wearer is forced to keep their legs folded forward, as any attempt to straighten them even slightly pulls hard on the scrotum, causing anything from considerable discomfort to extreme pain. In this way the wearer is prevented from standing up straight and has to stay bent over or crawl on all fours. Testicle cuffs A testicle cuff is a ring-shaped device that can be placed around the scrotum between the body and the testicles. When it is closed it prevents the testicles from passing through. A common type of testicle cuff consists of two connected cuffs, one around the scrotum and the other around the base of the penis. Testicle cuffs are one of the many devices that are used to restrain the male genitalia. A standard padlock, which cannot be removed without its key, may also be locked around the scrotum. Some passive participants enjoy the feeling of being "owned", while dominant individuals enjoy the sense of "owning" their partners. Requiring such an individual wear testicle cuffs symbolizes that their sexual organs belong to their partner. There is a level of erotic humiliation involved, through which they find sexual arousal. The cuffs may also form part of a sexual fetish of the wearer or their partner. However, these are extreme uses of testicle cuffs. More conventionally, the device pulls down the testicles and keeps them there during stimulation, which has a number of benefits: Making the penis appear longer. Pulling the testicles down and away from the