Transsexual porn star Wendy Williams has stated that transsexual porn is classified as Straight Specialty. Lesbian pornography made for women is usually made by women, and usually features women who identify as lesbian or bisexual. Amateur porn has been called one of the most profitable and long-lasting genres of pornography. Since at least 1973, it has also been used to refer to a sexually attractive young woman. A variation on this is to place the fingers and thumb on the penis as if playing a flute, and then shuttle them back gay hentai and forth. Interracial pornographic films have experienced an explosion in popularity, becoming one of the fastest-growing and biggest-selling genres. Some couples use pornography at times for variety and to create a sexual interest or as part milf xxx of foreplay. Japanese rope bondage is distinguished by its use of specific katas and aesthetic rules. This fetish sometimes originates from childhood memories of needing, or gay twink porn of seeing another needing, to urinate. Crying pornography that features participating actors crying. The padding may also muffle noises from the outside, causing a relaxation effect and heightening their other senses. 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. Twink pornography features younger performers, and usually features young men under 30 who identify as gay or bisexual. 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. It is commonly depicted in pornography, but very rarely in mainstream cinema. Women in homosexual relationships responded to this designation either by hiding their personal lives or accepting the label of outcast and creating a subculture and identity that developed in Europe and the United States. Individuals who can change between top/dominant and bottom/submissive roles—whether from relationship to relationship or within a given relationship—are known as switches, though the term switch in this context is occasionally seen as derogatory and is rejected by many who might simplistically fit the definition.