What seems clear from the historical record is that much of the lesbian material in pornographic texts was intended for a male readership. A survey by the New York City Department of Health and Mental Hygiene found that heterosexual women are more likely to bareback when engaging in anal sex than homosexual and bisexual men. Sometimes one or more fingers may be inserted into the vagina to stroke its frontal wall where the G-spot may be located. When used as an alternative to penile-vaginal penetration, the goal may be to preserve virginity or to prevent pregnancy. Throughout history, women have not had the same freedom or independence to pursue homosexual relationships as men, but neither have they met the same harsh punishment as homosexual men in some societies. In general, BDSM play is usually structured such that it is possible for the consenting partner to withdraw his or her consent during a scene; for example, by using a safeword that was agreed on in advance. Those with diaper-related paraphilias differ widely in their focus of attention. However, bisexual pornography is often placed near the gay section in adult video stores, since many consumers are gay men. Foot fetishism has been defined as a pronounced sexual interest in the feet or footwear. The term is typically used by the cinematographer within the narrative framework of a pornographic film, and since the 1970s has become a leitmotif of the hardcore genre. Hamedori is a genre of Japanese pornography in which a male adult video actor or director momporn serves as the camera operator. If one person is hot gay sex penetrated by two objects, it is generically called double penetration . It is geared towards anime hentai heterosexual men, who most typically define a threesome as such. 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. Films with risqué content commenced to be produced soon after the invention of the motion picture in the 1880s.
