The effect is to give the viewer the sense that they are experiencing the sex acts that they are watching, as opposed to simply watching others as a voyeur. They may repeat this cycle multiple times. Freud, however, considered such extensions of sexual interest to fall within the range of the normal, unless marked out by exclusivity . The principal characteristic of voyeurism is that the voyeur does not normally interact directly with the subject of his/her interest, who is often unaware of being observed. The films were financially successful, winning AVN Awards for the best selling pornographic films of their year; however the events were effectively un-officiated and the record breaking claims often misleading. The first pegging scene appears to have been in the non-pornographic 1970 film Myra Breckinridge, based on the novel of the same name by Gore Vidal, although it was not explicit. Fantasies of group sex are extremely common among both men and women, and group sex is a subgenre in pornographic films. Cum-shot pornography features a collection of male ejaculation scenes. To tea bag is a slang term for the sexual act of hentai sex a man placing his scrotum in the mouth of a willing sexual partner for pleasure or onto the face or head gay bear porn of another person. Cartoon Network has dedicated a late night programming block to adult animation, known as Adult Swim. Group momsex sex can occur between people of all sexual orientations and genders. But starting with The World Biggest Gangbang , starring Annabel Chong, the pornographic industry began producing a series of films ostensibly setting gangbang records for most consecutive sex acts by one person in a short period. It may be regarded as taboo or unnatural, and is a criminal offense in some countries, punishable by corporal or capital punishment; by contrast, people also regard anal sex as a natural and valid form of sexual activity that may be as equally fulfilling as any other desired sexual expression. Male masturbation may differ between males who have been circumcised and those who have not.