The current record is held by Lisa Sparks who had sex with 919 men on October 16, 2004 in Warsaw, Poland as part of the Third Annual World Gangbang Championship and Eroticon 2004. A crush fetish is a fetish in which one is sexually aroused usually when someone crushes objects, food, and sometimes small animals with their body, usually under their foot, or gay cock when crushed oneself. Male masturbation may differ between males who have been circumcised and those who have not. Generally, interest differs between people, and gender depends on sexual orientation. It may involve sexual attraction to women who are pregnant or appear pregnant, attraction to lactation, or attraction to particular stages of pregnancy such as impregnation or childbirth. Although pornography has usually focused on heterosexuality, due to the prevalence of the heterosexual orientation, explicit gay material has a long history as well, which reaches back to Greek antiquity, if not to prehistory. Ethnic pornography is a genre of pornography that features performers of specific ethnic groups, or depictions of interracial sexual activity. There may be more than two participants; both group sex and gang banging can be included. In some societies, the terms fox, plum, chick, or chicken are preferred. The person sat upon may be in bondage, sexually submissive, or simply held down by the body-weight of the other big tit milf person. In more vigorous forms of fisting, such as punching or punchfisting, a fully clenched fist gay hentai may be inserted and withdrawn slowly. Each participant may engage in any type of sex acts with one or both of the others, such as vaginal, anal or oral sex or mutual masturbation. 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. Bobbi S. Voyeurism: Seeing another urinate without the person knowledge either through video taping by a hidden camera, or by lurking in locations where people are urinating or are likely to have an urge to urinate.