Types of anal sex can also be a part of lesbian sexual practices. The most common type of naked milf erotic spanking is administered on the bare buttocks, but can also be combined with bondage, in order to heighten sexual arousal and feelings of helplessness. Some pornographic films use an artificial semen substitute to simulate or enhance creampie shots. Pro-am pornography is sub-genre of amateur pornography that refers to professionally made porn that features amateur actors/actresses, often appearing for the first time in a pornographic film. Femdom features BDSM scenes in which the dominant partner is female. In Canada, Teletoon offers up its own Teletoon at Night programming block. What seems clear from the historical record is that much of the lesbian material in pornographic texts was intended for a male readership. Sadism describes sexual pleasure derived by inflicting pain, degradation, humiliation on another person or causing another person to suffer. Women with women Main article: Lesbianism in erotica: Lesbianism in contemporary pornography Lesbian or girl-girl pornography features women engaged in sex together, but is typically aimed at a male audience. Bondage pornography specializes in the depiction of sexual bondage or BDSM activities as photographs, stories, movies, or drawings. Sometimes one or more fingers may be inserted into the vagina to stroke its frontal wall where the G-spot may be located. Some may keep their hand stationary while pumping into it with pelvic thrusts in order to simulate the motions of sexual intercourse. The other person hentai videos may do the same during or after. For circumcised males, on whom the glans is mostly or completely uncovered, this technique creates more direct contact between the hand and the glans. This makes varying gay sex video degrees of stimulation an integral part of oral sex for many men. If dramatic skills are not involved, a performer in a porn film may also be called a model. Films with risqué content commenced to be produced soon after the invention of the motion picture in the 1880s.