Unlike erotic films, pornographic films contain explicit sexuality and do not claim any artistic merit. Real jail milf fuck or prison or police station shots or videos may violate laws in some countries. A variant of this is known as ATOM or ATOGM where the insertive partner removes his penis from one recipient anus and inserts it into a second recipient mouth. Incest pornography can feature actual relatives, but the main type of this pornography simply uses actors of similar looks to suggest family relationship. Sexual scenarios may involve male domination, female submission, exhibitionism and erotic entertainment. Mutual masturbation can be practiced by males or females in pairs or groups with or without actually touching another person as indicated by the following examples of contact versus non-contact scenarios: Non-contact mutual masturbation Two people masturbating in the presence of each other but not touching. Some BDSM practitioners prefer a code of behavior that differs from SSC and is described as risk aware consensual videos gays kink , indicating a preference for a style in which the individual responsibility of the involved parties is emphasized more strongly, with each participant being responsible for his or her own well-being. English adopts and uses hentai as a genre of pornography by the commercial sale and marketing hentai porn of explicit works under this label. Klaw ran an international mail-order business out of his store, Movie Star News, selling cheesecake pinups and bondage/spanking photos. In the 1970s, the hardcore pornography genre introduced the stereotypical cumshot scene as a central element of the hardcore film, in which the male actor ejaculates in a way ensuring maximum visibility of the act itself. Pornography is generally classified as either softcore or hardcore pornography. Teacher and Student or Boss and Secretary pornography involves sexualized situations which take place between an authority figure, such as a teacher or boss, and an underling, such as a student or secretary, often fake.