RACK may be seen as focusing primarily upon awareness and informed consent, rather than accepted safe practices. Some couples use pornography at times for variety and to create a sexual interest or as part of foreplay. The pornography is geared towards men; hence the word bisexual refers to the men rather than the woman. In these cases, the appearance of an enlarged abdomen caused videos gays by obesity or overeating may be sufficient, or simply the suggestion of a protruding navel. Transwomen are most often featured with male partners, but are also featured with other transsexuals or cissexual women. Pegging is a recently invented word which features a woman penetrating a man with a strap-on dildo. Bestiality pornography involves the sexual attraction of humans to animals. It explores the more mental aspect of BDSM. As with most forms of sexual activity, anal sex participants risk contracting sexually transmitted infections . Felching involves drinking recently ejaculated semen from the vagina or anus. In general, softcore pornography is pornography that does not depict explicit sexual activity, sexual penetration or extreme fetishism. The Japanese sex industry uses the term Paizuri . Some actors who are actually gay or bisexual will be marketed as straight to appeal to the allure of the unattainable, because straight men are virgins to sex with other men, and as in most gay male settings, the young, the muscular, and the unfamiliar are more sought.. Facesitting is common among dominant and submissive individuals, for demonstrating superiority and for sexual lesbian hentai gratification. Ethnic pornography is a genre of pornography that features performers of specific ethnic groups, or depictions of interracial sexual activity. The term bareback is used less frequently in the heterosexual community. Dogging is a British English slang term for engaging in sexual acts in a public or semi-public place lesbian milfs or watching others doing so. The surfacing of sex tapes has become so common that some are leaked as a marketing tool to advance or establish a media career.