Women with women Main article: Lesbianism in erotica: Lesbianism in gay movies contemporary pornography Lesbian or girl-girl pornography features women engaged in sex together, but is typically aimed at a male audience. The initialism BDSM includes psychological and physiological facets: Bondage & Discipline Dominance & Submission Sadism & Masochism Types of Play This model for differentiating among these three aspects of BDSM is increasingly used in literature today. The introduction of the home video and Internet saw a boom in the worldwide porn industry that generates billions of dollars annually. For a foot fetishist, points of attraction include the shape and size of the foot and toes , jewelry nude milfs , treatments , state of dress , odor, and sensory interaction . Bra pornography involves women or men dressed in bras. HIV is among the infections that require such direct contact gay hentai and is therefore very unlikely to be transmitted via mammary intercourse. 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. However, various groups within society considered such depictions immoral, labelling them pornographic, and attempting to have them suppressed under obscenity laws, with varying degrees of success. A facial is a term for the sexual activity in which a man ejaculates semen onto the face of one or more sexual partners. The resulting consent and understanding is occasionally summarized in a written contract, which is an agreement of what can and cannot take place. A 2009 study found that heterosexual male fat admirers preferred females that were clinically overweight and rated both overweight and obese women more positively than slighter individuals. Sadism describes sexual pleasure derived by inflicting pain, degradation, humiliation on another person or causing another person to suffer.