Pornography can be classified according to the physical characteristics momporn of the participants, fetish, sexual orientation, etc., as well as the types of sexual activity featured. With second wave feminism and growth of scholarship in women history and sexuality in the 20th century, the definition of lesbian broadened, sparking a debate about sexual desire as the major component to define what a lesbian is. Japanese rope bondage is distinguished by its use of specific katas and aesthetic rules. In some societies, the terms fox, young gay porn plum, chick, or chicken are preferred. Real jail or prison or police station shots or videos may violate laws in some countries. Clothed female, naked male is a genre of erotica featuring one or more nude men and one or more clothed women. Caro rejected that as being a necessary conclusion, stating that female fatty 3d hentai deposits on the hips improve individual fitness of the female, regardless of sexual selection. Felching involves drinking recently ejaculated semen from the vagina or anus. Interracial pornography typically employs ethnic and racial stereotypes in its depiction of performers and many of interracial pornographic films still include racial stereotypes, although the segregation of actors by race has diminished considerably. Scenes of multiple penetration are common in pornography. 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. Some couples use a threesome as a way to develop a love triangle . Voyeur or peeping Tom pornography is usually more staged with the subjects aware of the cameras, sometimes openly including this exhibitionist awareness. 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. Arguably the most famous example of the genre is the Taboo series.