Some productions are noted for sophisticated and/or experimental storytelling and animation techniques. Caro rejected that as being a necessary conclusion, stating that female fatty deposits on the hips improve individual fitness of the female, regardless of sexual selection. In some areas, there are laws stating it is not legally possible to consent to be killed, and elsewhere it may still be legally dubious . 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. Exhibitionist pornography features performers, usually female exposing themselves in public and spans simple flashing to public sex. Fantasies of group sex are extremely common among both men and women, and group sex is a subgenre in pornographic films. Spanking or whipping pornography involves spanking or 3d hentai whipping, generally of the buttocks, with the hand or with other objects such as belts, switches, paddles, brushes, or whips. The sub-genres usually conform to certain conventions, and each may appeal to a particular audience. Interracial pornography typically employs ethnic and racial stereotypes gay fuck 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. Bestiality pornography involves the sexual attraction of humans to animals. Given the wide range of practices, some of which may be engaged in by people who do not consider themselves as practicing BDSM, inclusion in the BDSM community or subculture is usually dependent on self-identification and shared experience. Transsexual porn star Wendy momporn Williams has stated that transsexual porn is classified as Straight Specialty. Gang bang pornography is a type of pornography that depicts an individual engaging in physical sexual activity with multiple partners sequentially or at once.