Being forced to wear diapers as a form of humiliation is sometimes a behavior encountered in sexual masochism. The preference could be barefoot, high-heels, flip flops, and so on, depending on the fetishist. 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. Matsuo started working in the genre in 1991, saying that this intimate technique was a natural way for him to shoot in order to show his feelings for the girl and to get her to open up about herself, to show her true emotions. Pegging films include Strap It On , Babes Balling Boys , Strap Attack, Strap-on Sirenz, Strap-on Chicks, Boss Bitches , various movies produced by LEDA Studios, and San Francisco-based Men In Pain. Threesome or 3some pornography features one man and two horny milfs women . Pantyhose/Tights/Stockings pornography involves women or men dressed in pantyhose, tights, or stockings. Some prefer a particular type of clothing hot gay sex to urinate. Mammary intercourse involves the man placing his erect penis hentai videos in the woman cleavage and thrusting between her breasts, while the breasts are squeezed around the penile shaft, thus creating a tight cleft for stimulation. A scene where many women have sex with one man is referred to as a reverse gang-bang. One sex worker said that mammary intercourse was one alternative used; mammary intercourse performed by a woman with large breasts felt to the client like penetrative vaginal sex. 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. The terms Big Beautiful Women and BBW were coined by Carole Shaw in 1979, when she launched BBW Magazine, a fashion and lifestyle magazine for plus-size women Fat fetishism is the strong or exclusive sexual attraction to overweight or obese people.