It has also been recommended as a form of foreplay or safer sex. Rape pornography features performers simulating rape. Though there have been numerous gang bang pornographic films since the 1980s, they usually involved no more than half a dozen to a dozen men. Sex parties may be organized to enable people to engage in casual sexual activity or for swinging couples or people interested in group sex to meet, but any gathering where sexual activity is anticipated can be called a sex party. Reality pornography is professionally made porn which seeks to emulate the style of amateur pornography. Incest itself is largely taboo, and is a crime young gay porn in many countries. Diaper pornography involves performers wearing diapers, sometimes with an adult performer acting in the role of a caretaker. 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 scenario is a genre of erotica, which on the internet is sometimes abbreviated to CMNF, and may involve sexual and nonsexual erotic scenarios. Women oriented pornography is sometimes referred to as sex positive pornography. In more vigorous forms of fisting, such as punching or punchfisting, a fully clenched fist may be inserted and withdrawn slowly. A variation on this is to place the fingers and thumb on the penis as if playing a flute, and then shuttle them back and forth. 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. Simultaneous big tit milf penetration of the mouth and either the vagina or anus. English adopts and uses hentai as a genre of pornography by the commercial sale and marketing of explicit gay hentai works under this label. Hamedori is a genre of Japanese pornography in which a male adult video actor or director serves as the camera operator. Many cultures describe pain as an aphrodisiac.