BDSM bondage.
Erotic-aesthetic practice, which consists in depriving one partner of another of one degree or another of physical mobility and / or freedom of action in order to obtain psychosexual and / or aesthetic pleasure. It is usually considered as one of the constituent parts of BDSM.
Most often, bondage is understood as binding, but this concept also includes other types of restriction or deprivation of freedom of action: shackling, using blocks, handcuffs and similar items, confinement in a cage, etc. It can be a form of sadomasochism, but most often it does not have directly related to the infliction of physical pain, focusing mainly on the moral and emotional components of the practice.