Drama Hardcore showed this kind of film on its film. Medical pornography involves sexualized medical, often fake, including gynecological pelvic examinations, rectal examinations, and pelvic or gynecological ultrasounds. Lolita pornography caters to ephebophiles. The industry generally refers to such films as adult films, which is part of adult entertainment. The loose and direct camera work often includes tight shots of the genitalia, unlike some traditional anime hentai porn. Its gain in prominence has been attributed to its depiction in the film Pecker, which was released in 1998. 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. To avoid soreness from this resulting friction, some may prefer to use a personal lubricant, masturbation cream or saliva during masturbation. Many times gay twinks a top actor will milf xxx then be sought as a bottom and the debut is often treated as a notable event or even its own release. The most successful animated features produced in the United States primarily for adult audiences were directed by Ralph Bakshi, including Fritz the Cat, Heavy Traffic and Coonskin. Some anthropologists and sociobiologists believe that breast fetishism derives from the breasts similarity to buttocks, but instead provide sexual attraction from the front of the body. Typically, its fans identify themselves as straight. Pegging films include Strap It On , Babes Balling Boys , Strap Attack, Strap-on Sirenz, Strap-on Chicks, Boss Bitches , various movies produced by LEDA Studios, and San Francisco-based Men In Pain. Breeding is sometimes followed by felching, which involves sucking the semen from the partner anus. In Japanese, the term describes any type of perverse or bizarre sexual desire or act; it does not represent a genre of work. In contrast, a celebrity may take the route of openly releasing the tape and benefit directly from royalties as well as indirectly from the publicity.