Before the enforcement of the Hays Code, some cartoon shorts contained humor that was aimed at adult audience members rather than children. The genre presents itself as real couples having real sex. Pantyhose/Tights/Stockings pornography involves women or men dressed in pantyhose, tights, or stockings. Cartoon pornography is the portrayal of illustrated or animated fictional characters in erotic or sexual situations. HIV is among the infections that require such direct contact and is therefore very unlikely to be transmitted via mammary intercourse. Unlike the usual power neutral relationships and play styles commonly followed by couples, activities and relationships within a BDSM context are often characterized by the participants taking on complementary, but unequal roles; thus, the idea of informed consent of both the partners becomes essential. No causal relationship is known between masturbation and any form of mental or physical disorder. The primary subjects of pornographic depictions are pornographic models, who pose for still photographs, and pornographic actors or porn stars, who perform in pornographic films. Scat or brown pornography features defecation, manipulation of feces, or consumption of feces, in reality or fantasy; a well-known example is the 2 Girls 1 Cup video. Some masturbate only using pressure applied gay movies to the clitoris without direct contact, for example by pressing the palm or ball of the hand against underwear or other clothing. A smotherbox gives a more dramatic experience . In some creampie films, both gay and straight, intercourse and internal ejaculation are followed by performers licking up the semen that has dripped from their bodies. Some are aroused from wetting their diapers, gay hentai others like messing their diapers. Erotic spankings are commonly combined with other forms of sexual foreplay. A facial is a term for the sexual activity in which a man ejaculates semen onto the face mature milfs of one or more sexual partners. The preference could be barefoot, high-heels, flip flops, and so on, depending on the fetishist.