Typically featured are hitting, choking, name-calling and hair-pulling. Female masturbation involves the stroking or rubbing of a woman vulva, especially her clitoris, with an index or middle fingers, or both. A woman can use a secondary vibrator, between the dildo and her genitals, to get pleasure from pegging. Content featuring male bisexuality has been a growing trend milf fuck since the advent of internet pornography. Group sex pornography features at least two men and two women , usually more, who all perform sex acts on each other. On the other hand, the masochist enjoys being hurt, humiliated, or suffering within the consensual scenario. Lying face down one may use the hands, one may straddle a pillow, the corner or edge of the bed, a partner leg or some scrunched-up clothing and hump the vulva and hentai porn clitoris against it. Diaper fetishism is totally independent from pedophilia as the wearer derives pleasure only from the diaper and/or use of it. The term gay sex video has also applied to other professions and even companies trying to appeal to a gay demographic. Patricia Hill Collins, an African-American writer, theorizes that this is derived from a stereotype that those of black descent are promiscuous, and their buttocks are objectified by porn as a result. The current public acceptance of celebrities with sex tapes is speculated by Joe Levy, executive editor of Rolling Stone, to be due to the easy availability of pornography, as well as couples more commonly making their own tapes due to the prevalence of video cameras. Gay pornography is the representation of sexual activity between males. In contrast, a celebrity may take the route of openly releasing the tape and benefit directly from royalties as well as indirectly from the publicity. The loose and direct camera work often includes tight shots of the genitalia, unlike some traditional porn. Ass to mouth is a slang term primarily used to describe the withdrawal of a penis from the receptive partner anus followed by the immediate insertion into the receptive partner mouth.