Erotic spanking is the act of spanking another person for the sexual arousal or gratification of either or both parties. 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. See Gay-for-pay. Guro or Gore is a genre of Japanese pornography involving blood, gore, disfiguration, violence, mutilation, gay boy porn urine, enemas, or feces. Along with the penis, the scrotum is sensitive and considered to be an erogenous zone. Sexual scenarios may involve male domination, female submission, exhibitionism and erotic entertainment. Various groups within society have considered depictions of a sexual nature immoral, labeling them pornographic, and attempting to have them suppressed under obscenity and other laws, with varying degrees of success. Jail/Prison/Police pornography involves people in police custody or inmates in jails or prisons in various sexual situations, such as strip searches or body cavity searches. In September 2003 the BBC reported on the new dogging craze. The higher pay scale and profile within a production often leads to group scenes where a straight actor only tops. Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person anus, or anus and rectum, for sexual pleasure. This is why video stores might consider stocking transgendered subject matter in the straight section, as some straight men will have passive or active sex with another man as long as their partner appears to look like a woman to them, to some minor or major degree. Fisting nude milfs may be performed with or without a partner. Softcore pornography generally contains nudity or partial nudity in sexually suggestive situations, but without explicit sexual activity, sexual hentai sex penetration or extreme fetishism, while hardcore pornography may contain graphic sexual activity and visible penetration, including unsimulated sex scenes.