Sadism and Masochism (frequently known as S&M) involves sexual pleasure from a variety of forms of physical pain; whipping, clamping, hair pulling, choking, or even emotional pain in some cases; humiliation (often through small penis humiliation) or complete submission to a dominant. The sadism aspect refers to how one can gain pleasure from the infliction of pain on others, whilst masochism is the tendency to receive pleasure from having pain inflicted upon the self.
For a surprisingly sinister look, this Flesh Face Hood gives a slight dehumanising quality, making the face appear flat and flawless in tight, restrictive latex. It fastens up the back...