Kinbaku hentai sex means tight binding Kinbaku-bi which literally means the beauty of tight binding. Individuals are also sometimes abbreviated when referred to in writing, so a dominant person may be referred to as a Dom for a man, and gay boy porn a Domme for a woman. In addition to mainstream pornography, the popularity of facials has led to creation of its own niche market, like video series that specialize in showing the act. This stop and go build-up, known as edging, can achieve even stronger orgasms. Other possibilities are possible, such as a man having sex with two women who are having sex with each other. The term discipline describes psychological restraining, with the use of rules and punishment to control overt behavior. The term soft crush refers to the more common fetish surrounding videos involving inanimate objects or small invertebrates being crushed, while the term hard crush refers to such videos involving larger animals with vertabrae, and arguably more pain-susceptible animals . Unlike the traditional definition of the term, in fetish usage a cuckold is complicit in their partner sexual infidelity and takes masochistic sexual pleasure in it. Advocates of RACK argue that SSC can hamper discussion of risk because no activity is truly safe, and that discussion of even low-risk possibilities is necessary for truly informed consent. The wife who enjoys cuckolding her husband is frequently called a hotwife, or a cuckoldress if the man is more submissive. The object or situation of interest is called the fetish; the person who has a fetish for that object/situation is a fetishist. The inside of a smotherbox is often padded to provide support for their neck and prevent their head from moving. Bukkake, Gokkun, Omorashi, and tentacle erotica are few uniquely Japanese naked milf genres known to western viewers. Facial cum shots are currently regularly portrayed in pornographic films and videos, often as a way to close a scene. First found in softcore movies and erotic thrillers, depictions of lesbianism entered mainstream cinema in the 1980s.