In POV porn, the shooting style is generally similar to gonzo pornography, with the person receiving sexual gratification holding the camera him or herself—aiming it down at the actress or actor who is performing the sex act. It is geared towards heterosexual men, who most typically define a threesome as such. Such video tapes are often released without the consent of their subjects, and could potentially damage celebrities careers. These actors often play the top roles but this is not always the case, such as with Kristen Bjorn and some Bel Ami models. Locks may be used to emphasize the submissive position or the submissive videos gay hands may be fastened above his head to the box. The slave is usually strictly forbidden from placing their lips directly on the body of the dominant so the practice routinely involves them receiving much of the spray all over their face, hair and body, however, another way of doing this that applies mostly to male dominants, is to place the mouth on the head of the penis and drink the urine as it is released. The two sets of people involved often meet either randomly or arrange to meet up beforehand over the Internet. Some masturbate only using pressure applied to the clitoris without direct contact, for example by pressing the palm or ball of the hand against underwear or other clothing. The industry generally refers to such films as adult films, which is part of adult entertainment. The term has origins in the Greek language . Lying face down one may use the hands, one may straddle a pillow, the corner or edge of the bed, a partner leg or some scrunched-up clothing and hump the vulva and clitoris against it. Positions can also be chosen specifically for added effects such as increased humiliation, elevation and suspension. Women who adopt a lesbian identity share experiences that form an outlook similar to an ethnic identity: as homosexuals, they are unified by the heterosexist discrimination and potential rejection they face from their families, friends, and others as a result of homophobia.