Although interracial pornography theoretically can apply to depictions of sexual activity between performers of any different racial groups, the term is most commonly used for heterosexual sex acts between black and white performers. Performers are usually clean-shaven, thinner and more effeminate than ones in mainstream gay pornography. Related genres include: Amateur pornography originally referred only to pornography produced by amateurs but now also includes professionally made pornography designed to appear as if it were amateur. The padding may also muffle noises from the outside, causing a relaxation effect and heightening their other senses. Pornographic films present sexual fantasies and usually include erotically stimulating material such as nudity. Some BDSM practitioners prefer a code of behavior that differs from SSC and is described as risk aware consensual kink , indicating a preference for a style in which the individual responsibility of the involved parties is emphasized more strongly, with each participant being responsible for his or her own well-being. Sadomasochism does not imply enjoyment through causing or receiving pain in other situations . Lucky Pierre is slang for a person performing both receptive and insertive anal and/or vaginal sex simultaneously during a threesome, being positioned between the two partners. Bisexual pornography is a genre of pornography which most typically depicts one woman and two men who all perform sex acts on each other. Such explicit sexual interaction is seen only rarely in public play spaces, and it is sometimes anime hentai specifically banned by the rules of a party or playspace. Originating in Japan in the 1980s, the genre subsequently spread to North America and Europe, and crossed over into gay pornography. The current record is held by Lisa Sparks who gay fuck had sex with 919 men on October 16, 2004 in Warsaw, Poland as part of the Third Annual World Gangbang Championship and Eroticon 2004. Internal momsex ejaculations, followed by images of semen dripping from the anus, are sometimes depicted in bareback gay pornography, where they are referred to by the term breeding or the reverse money shot.