In academic discourse, racial fetishism is a postcolonialist term found in the writings of authors such as gay boy porn Homi K. Women that take on the roles of the lesbian hentai giantess within this fetish often find the practice to be empowering and enjoy being worshiped. 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. A sub-set of vaginal fisting attempts to photograph the female cervix immediately after the fist is removed from the now-gaping vagina. There is no singular or archetypical behavior; therefore, a wide range of thought patterns and behaviors exist, but all tends to be a harmless and efficacious release from some kind of pressure. Its primary goal is sexual arousal in its audience. If ejaculation is onto the other person face it can be called a facial. Animal masturbation has been observed in many species, both in the wild and in captivity. Lesbian pornography made for women is usually made by women, and usually features women who identify as lesbian or bisexual. Bisexual DVDs sell much better online than in adult video stores, possibly due to customers in stores feeling embarrassed to buy them. 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. Women porn is often produced by women and aimed specifically at the female market - rejecting the view that men are turned on by porn but women naked milf only by a box of chocolates. A variant of A2M is ATOM where a performer inserts his penis directly from one recipient anus into a second recipient mouth. 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. The object or situation of interest is called the fetish; the person who has a fetish for that object/situation is a fetishist.