The porn industry and viewing public were shocked by the then-taboo spectacle of a white woman having sex with a black man. This may help them develop their orgasm, increase its pleasure, and may inspire them to masturbate on a more frequent basis. Transsexual pornography is a genre of pornography. It is typically animated pornography, as the legal age to be featured in a pornographic film in Japan is 18. Common positions include lying on back or face down, sitting, squatting, kneeling young gay porn or standing. Creampie scenes depart from heterosexual pornographic convention in favor of a depiction that more closely mimics sexual intercourse as performed in ordinary life; they have been called the counterimage of facials. Throughout history, women have not had the same freedom or independence to pursue homosexual relationships as men, but neither have they met the same harsh punishment as homosexual men in some societies. The Silent Duck, also called Duck-Billing, is the technique often used in which the person engaging in hand insertion shapes the hand to resemble a duck beak. The term BDSM dates back to 1969; however, the origin of the term BDSM is unclear and is believed to have been formed either from joining the term B&D with S&M , or as a compound initialism from B&D, D&S , and S&M. Hermaphrodite, also known as herm, refers to pornography, typically hentai, that features persons with the genitalia of both sexes. 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 when crushed oneself. Examples momporn of heterosexual pornographic film series featuring creampies include Cream Filled Teens and Internal Cumbustion. If dramatic gay hentai skills are not involved, a performer in a porn film may also be called a model. 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.