In September 2003 the BBC reported on the new dogging anime hentai craze. Fisting involves the insertion of one partner entire hand into a vagina or the anal cavity. They cited the Internet and text messaging as common ways of organising meetings. As observation is encouraged, voyeurism and exhibitionism are closely associated with dogging. Erotic literature and pornographic films have been devoted to the sexual uses of glory holes. The most common depiction of a hermaphrodite is a person with a female face, breasts, videos gays and build, and a penis , although there are other combinations. Failure to honor a safeword is considered serious misconduct and could even change the sexual consent situation into a crime, depending on the relevant law, since the bottom has explicitly revoked his or her consent to any actions that follow the use of the safeword . Squirt pornography involves women ejaculating. For other diaper fetishists, simply wearing a diaper, the bulking feeling and crinkling sounds associated with it, is enough to cause the fetishist a form of erotic pleasure or sexual arousal. Other forms of anal sex include fingering, the use of sex toys for anal penetration, oral sex performed on the anus , and pegging. The nipples are erogenous zones, and vigorous stimulation of them during masturbation usually causes the penis to become erect more quickly than it would otherwise. The interaction between tops and bottoms—where physical or mental control of the bottom is surrendered to the top—is sometimes known as power exchange, whether in the context of an encounter or a relationship. It may involve sexual attraction to women who are pregnant or appear pregnant, attraction to lactation, or attraction to particular stages of pregnancy such as impregnation or childbirth. In these cases, the appearance of an enlarged abdomen caused by obesity or overeating may be sufficient, or simply the milf fuck suggestion of a protruding navel. Pornographic films or sex films are films that present sexually explicit subject matter for the purpose of sexual arousal and erotic satisfaction of the viewer.