Pro-am pornography is sub-genre of amateur pornography that refers gay sex video to professionally made porn that features amateur actors/actresses, often appearing for the first time in a pornographic film. For legal reasons, the vast majority of so-called reality porn involves professional actors and actresses posing as so-called amateurs. The wife who enjoys cuckolding her husband is frequently called a hotwife, or a cuckoldress if the man is more submissive. Two women tapegagged and cuffed to iron bars Bondage and Discipline momsex are two aspects of BDSM that do not seem to relate to each other because of the type of activities involved, but they have conceptual similarities, and that is why they appear jointly. 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. 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 . Gay-for-pay describes male or female actors, pornographic stars, or sex workers who self-identify as heterosexual lesbian hentai but who are paid to act or perform as homosexual professionally. The term applies to the depiction of the act rather than the act itself, and so does not include live exhibitions like sex shows and striptease. In academic discourse, racial fetishism is a postcolonialist term found in the writings of authors such as Homi K. Many men who like trans partners of any variety, known as tranny chasers, do not necessarily identify as gay themselves. Mammary intercourse is said by Alex Comfort to produce mutual orgasm in women with sensitive breasts , and it was one of the nine substitute exercises for penetrative sexual activities, as detailed in the Paradis Charnels of 1903.