Typically featured are hitting, choking, name-calling and hair-pulling. Solo pornography recognized with AVN Awards include the All Alone series and All Natural: Glamour Solos. Preggo pornography features pregnant performers and may include erotic lactation as a fetish. Examples of heterosexual pornographic film series featuring creampies include gay boy porn Cream Filled Teens and Internal Cumbustion. What seems clear from the historical record is that much of the lesbian material in pornographic texts was intended for a male readership. Pornography may be presented in a variety of media, including books, magazines, postcards, photographs, sculpture, drawing, painting, animation, sound recording, film, video, and video games. The first explicit pegging scene is believed to have been in the 1975 pornographic film The Opening of Misty Beethoven. Common positions include lying on back or face down, sitting, squatting, kneeling or standing. Threesome can also refer to a love triangle, a three-way romantic relationship. There is, however, no third party camera work involved. The range of its individual characteristics is thereby wide. There has been an increase in discussion and portrayal of masturbation anime hentai in art, popular music, television, films, and literature. Diaper pornography involves performers wearing diapers, sometimes with an adult performer acting in the role of a caretaker. The porn industry and viewing public were shocked by the then-taboo spectacle of a white woman having sex with a black man. Throughout history, women have not had the same freedom or independence to pursue homosexual relationships as men, but neither have they met the same harsh punishment as homosexual men in some societies. A homosexual threesome would involve either three men or three nude milfs women. BDSM communities generally welcome anyone with a non-normative streak who identifies with the community; this may include cross-dressers, extreme body mod enthusiasts, animal players, latex or rubber aficionados, and others.