Fantasies of group sex are extremely common among both men and women, and group sex is a subgenre in pornographic films. Softcore pornography generally contains nudity or partial nudity in sexually suggestive situations, but without explicit sexual activity, sexual penetration or extreme fetishism, while hardcore pornography may contain graphic sexual activity and visible penetration, including unsimulated sex scenes. The term bareback is used less frequently in the heterosexual community. High heel pornography involves women or men dressed in high heeled shoes. Pornography can be classified according to the physical characteristics of the participants, fetish, sexual orientation, etc., as well as the types of sexual activity featured. Well-known female porn stars who expressed their pleasure in pegging young gay porn their male partners include Taylor Wane, Debi Diamond, Brittany Andrews, and Monique Covét. Buck Angel is the best-known actor in this genre. It explores the more mental aspect of BDSM. This hentai sex practice has a distinct effect of immobilization and pain. As of 2010, they were reported to live together as a monogamous couple outside of their porn careers and want to continue working together for another 50 years. In a separate article analyzing 12 men who engaged in bestiality, an additional analysis of an 11-man subgroup revealed that 6 had engaged in coprophilic behavior, compared with only 1 in the matched control group consisting of 12 SM-oriented males who did not engage in bestiality. The Japanese sex industry uses the term Paizuri . Masturbation involves touching, pressing, rubbing or massaging a person genital area, either milf fuck with the fingers or against an object such as a pillow; inserting fingers or an object into the anus ; and stimulating the penis or vulva with an electric vibrator, which may also be inserted into the vagina or anus. Erotic literature and pornographic films have been devoted to the sexual uses of glory holes. For their consent, they must have relevant information at hand and the necessary mental capacity to judge.