A female dominant in a master/slave relationship is often termed a Mistress, not to be confused with the colloquial usage of mistress as a kept sexual partner without a similarly formalized power relationship. Often, strong views are expressed with regard to anal sex; it is controversial in various cultures, especially with regard to religion, commonly due to prohibitions against anal sex among gay men or teachings about the procreative purpose of sexual activity. Actual spying may violate privacy and/or trespassing laws in many countries. Female ejaculation is the expulsion of fluid by the paraurethral ducts through and around the human female urethra during or before an orgasm. Foot fetish pornography features heavy emphasis on the feet of the participants, either in combination with kissing and genital sex or in the context of acts such as trampling or crush fetishism. 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, and ENEG Exotique magazine, published 1956-1959. Individuals are also sometimes abbreviated when referred to in writing, so a dominant person may be referred to as a Dom for a man, and a Domme for a woman. 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. Bisexual pornography is a genre of pornography which most typically depicts one woman and two men who all perform sex acts on each other. Animal masturbation has been observed in many species, both in the wild and in captivity. The term hentai is hentai videos never used in this context in Japanese. This may relate horny milfs to fetishes such hot gay sex as voyeurism or cuckolding. The inside of a smotherbox is often padded to provide support for their neck and prevent their head from moving. Clothes wetting: The person is sexually aroused by wetting one clothing or observing another person doing so.