The consent and compliance for a sadomasochistic situation can be granted only by people who can judge the potential results. Lesbian pornography made for women is usually made by women, and usually features women who identify as lesbian or bisexual. Pegging is a sexual practice in which a woman performs anal sex on a man by penetrating the man anus with a strap-on dildo. It is commonly depicted in pornography, but very rarely in mainstream cinema. A variation on this is to place the fingers and thumb on the penis as if playing a flute, and then gay twink porn shuttle them back and forth. Films with risqué content commenced to be produced soon after the invention of the motion picture in the 1880s. The term hentai lesbian milfs is never used in this context in Japanese. Starting with erotic stories and woodblock prints from before the 20th century, Japanese pornography evolved into distinct subcategories with the media that in addition of pornographic videos and magazines featuring live actors, there is exist categories of pornographic manga , pornographic computer games , and pornographic anime . Multiple men and women Bisexual pornography features one woman and two men who all perform sex acts on each other. 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. The scenario is a genre of erotica, which on the internet is sometimes abbreviated to CMNF, and may involve sexual and nonsexual erotic scenarios. A sex party is a gathering at which sexual activity takes hentai videos place. Rape pornography features performers simulating rape. Incest pornography can feature actual relatives, but the main type of this pornography simply uses actors of similar looks to suggest family relationship. This can, however, redirect semen into the bladder . 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.