Facesitting is common among dominant and submissive individuals, for demonstrating superiority and for sexual gratification. 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 suggestion of a protruding navel. Interest in momporn BDSM can range from one-time experimentation to a lifestyle. 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. Boot fetishism is a sexual fetish dedicated to boots. 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. Scenes of multiple penetration are common in pornography. Non-contact group More than two people masturbating in the presence of each other in a group but not touching each other. 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 . Some productions are noted for sophisticated and/or experimental storytelling hentai porn and animation techniques. The higher pay scale and profile within a production often leads to group scenes where a straight actor only tops. Sexual scenarios may involve male domination, female submission, exhibitionism and erotic entertainment. Often, slave contracts are set out in writing to record the formal consent of the parties gay bear porn to the power exchange, stating their common vision of the relationship dynamic. It is practiced by people of all sexual orientations, and can be part of a full repertoire of sexual activity.