Men may also rub or massage the glans, the rim of the glans, and the frenular delta. For example, in Australia it is rated Refused Classification . Solo performances in gay pornography have been described in 1985 as either or both active and/or passive , whereas female solo performances are said to be exclusively passive . If one person is penetrated by two objects, it is generically called double penetration . The actual height hentai porn of the giantess within the fantasy may vary depending on the individual. Multiple men and women Bisexual pornography features one woman and two men who all perform sex acts on each other. Threesome can also refer to a love triangle, a three-way milf xxx romantic relationship. In S/M, the Sadist is usually the Top and the Masochist the Bottom, but these roles are frequently more complicated or jumbled . The existence of such content in commercially available pornography is widely considered an urban legend. Because the viewing of such films carried a social stigma, they were viewed at brothels, adult movie theaters, stag parties, at home, in private clubs and also at night cinemas. Cuckold fetish pornography that involves a cuckolded husband. It is sometimes combined with BDSM features. The industry generally refers to such films as adult films, which is part of adult entertainment. Hardcore videos porno gay pornography is pornography that depicts penetration or extreme fetish acts, or both. The arousal from being desperate comes from the sensation of having a full bladder. Since the 1980s, many practitioners and organizations have adopted the motto safe, sane and consensual, commonly abbreviated as SSC, which means that everything is based on safe activities, that all participants be of sufficiently sound/sane mind to consent, and that all participants do consent. Solo pornography recognized with AVN Awards include the All Alone series and All Natural: Glamour Solos. In some scenes or relationships it may be impossible for consent to be withdrawn in the middle of a scene, or the bottom may have the ability to revoke consent for a relationship as a whole, but not for a particular scene.