It is sometimes combined with BDSM features. Lolicon and its contribution to the controversy regarding the regulation of pornography of depicting minors that don’t exist has been a major issue for free speech in and outside of Japan. Some techniques which may work for one individual can be difficult or uncomfortable for another. There has been an increase in discussion and portrayal of masturbation in art, popular music, television, films, and literature. The reverse of this, in which nude women interact with clothed men, is called Clothed male, naked female . However, bisexual pornography is often placed near the gay section in adult video stores, since many consumers are gay men. Older videos porno gay names for a pornographic film include stag film, and blue movie. A sub-set of vaginal fisting attempts to photograph the female cervix immediately after the fist is removed from the now-gaping vagina. It is used, for example, at fertility momporn clinics to stimulate sperm donors. For circumcised anime hentai males, on whom the glans is mostly or completely uncovered, this technique creates more direct contact between the hand and the glans. If ejaculation is onto the other person face it can be called a facial. Bondage/BDSM Bondage pornography features performers tied up or constrained in various ways. They further argue that setting a discrete line between safe and not-safe activities ideologically denies consenting adults the right to evaluate risks vs rewards for themselves; that some adults will be drawn to certain activities regardless of the risk; and that BDSM play—particularly higher-risk play or edgeplay—should be treated with the same regard as extreme sports, with both respect and the demand that practitioners educate themselves and practice the higher-risk activities to decrease risk. Although interracial pornography theoretically can apply to depictions of sexual activity between performers of any different racial groups, the term is most commonly used for heterosexual sex acts between black and white performers.