Bukkake is a sex act portrayed in pornographic films, in which several men ejaculate on a woman, or another man. Internal ejaculation shots are a comparatively recent development in pornography; they are not found in early pornographic films. On May 27, 2010 the television program The Doctors discussed the topic with dozens of teens, parents, and professionals. Yaoi is anime or manga that features gay males . Bondage websites and bondage imagery in mainstream pornography As of 2003, specialist bondage magazines were mostly displaced by the availability of bondage material on the World Wide Web, and the presence of bondage imagery in mainstream pornographic magazines such as Nugget and Hustler Taboo magazine. At the end of the evening the female partners would randomly select keys from the bowl and leave with that key owner. Many cultures describe pain as an aphrodisiac. Normal quantities of ejaculate range from 1.5 to 5.0 milliliters . The range of its individual characteristics is thereby wide. There has been an increase in discussion and portrayal of masturbation in art, popular music, television, films, and literature. Other fetish Bareback pornography features performers who are not wearing condoms. The term pearl necklace is used by some because the drops of semen deposited by the man resemble a necklace of translucent white pearls. Likewise, Fox Broadcasting Company has also dedicated an entire evening programming block to adult animation programs, known as Animation Domination. Types of anal sex can also be a part of lesbian sexual practices. Cuckold fetish pornography that involves a cuckolded husband. Bondage pornography specializes in the depiction of sexual bondage or BDSM activities as photographs, stories, movies, or gay sex drawings. Incest itself is largely taboo, and is a crime in many countries. A woman can use a secondary vibrator, between the dildo and her genitals, to get pleasure from pegging. Jerk off instruction features a performer encouraging or instructing the viewer to masturbate, often culminating in a countdown at the end of which the viewer is invited to induce orgasm.