A variation on this is to place the fingers and thumb on the penis as if playing a flute, and then shuttle them back and forth. Advocates of RACK argue that SSC can hamper discussion of risk because no activity is truly safe, and that discussion of even low-risk possibilities is necessary for truly informed consent. Likewise, Fox Broadcasting Company has also dedicated an entire evening programming block to adult animation programs, known as Animation Domination. Hardcore pornography is pornography that depicts penetration or extreme fetish acts, or both. Individuals are also sometimes abbreviated when referred to in writing, so a dominant person may be referred to as a Dom for a man, and a Domme mature milfs for a woman. Some techniques which may work for one individual can be difficult or uncomfortable for another. For legal reasons, the vast majority of so-called reality porn involves professional actors and actresses posing as so-called amateurs. 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. Both forms of pornography generally contains nudity. They further argue that setting a discrete gaysex 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. Bukkake is a sex act portrayed in pornographic films, in which several men ejaculate on a woman, or another man. It is also known colloquially as gushing 3d hentai or squirting, although these are considered to be different phenomena in some research publications.