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. Entacle erotica describes a type of pornography most commonly found in Japan which integrates traditional pornography with elements of bestiality and a fantasy, horror, or science-fiction theme. There were also a very limited number of specialist fetish magazines which featured images of bondage, such as the famous Bizarre magazine published from 1946 to 1959 by the pioneering fetish photographer John Willie, momsex and ENEG Exotique magazine, published 1956-1959. Clothes wetting: The person is sexually aroused by wetting one clothing or observing another person doing so. Transsexual people Transman pornography features performers who were born female and who medically transitioned to male. Female dominance refers to BDSM relationships and BDSM scenes in which the dominant partner is female. Jerk off instruction features a performer encouraging or instructing the viewer to masturbate, often culminating in a countdown at the end of which the viewer is invited to induce orgasm. Lesbianism has been a theme in erotic art since at least the time of ancient Rome, and many regard depictions of lesbianism to be erotic. The person receiving anilingus is regarded as the passive partner gay twink porn in the act, and the person performing anilingus is the active partner. Sexologist Alfred Kind suggested that the buttocks is the primary sexual presentation site in primates. Bhabha, Anne McClintock and Kobena Mercer. Pornography in Japan is large and intertwined business of adult entertainment with unique characteristics that readily distinguish it from western pornography. Depictions of male and female masturbation are common in pornography, including lesbian hentai gay pornography. 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. Real enema shots or videos of true medical situations may violate privacy laws in some countries.