Simultaneous penetration of the mouth and either the vagina or anus. Two women tapegagged and cuffed to iron bars Bondage and Discipline are two aspects of BDSM that do not seem to relate to each other because of the type of activities involved, but they have conceptual similarities, and that is why they appear jointly. Although pornography has usually focused on heterosexuality, due to the prevalence of the heterosexual orientation, explicit gay material has a long history as well, which reaches back to Greek antiquity, if not to prehistory. Creampie scenes depart from heterosexual pornographic convention in favor of a depiction that more closely mimics sexual intercourse as performed in ordinary life; they have been called the counterimage of facials. For circumcised males, on whom the glans is mostly or completely uncovered, this technique creates more direct contact between the hand and the glans. Terminology for roles varies widely within the various BDSM subcultures. Women oriented pornography is sometimes referred to as sex positive pornography. A female dominant in a master/slave relationship is often termed a Mistress, not to be confused with the colloquial usage of mistress as a kept sexual partner without a similarly formalized power relationship. Pegging is a sexual momporn practice in which a woman performs anal sex on a man by penetrating the man anus with a strap-on dildo. A variation on this is to hentai porn place the fingers and thumb on the penis as if playing videos porno gay a flute, and then shuttle them back and forth. BDSM is a variety of erotic practices involving dominance and submission, role-playing, restraint, and other interpersonal dynamics. Rainbow party A rainbow party is an urban legend spread from the early 2000s. Incest itself is largely taboo, and is a crime in many countries. These scenes may involve the female actor calling for the shot to be directed at some specific part of her body. Once insertion is complete, the fingers are either clenched into a fist or kept straight.