The consensual submission of the submissive is sometimes demonstrated to others by symbols indicating his/her belonging to the dominant, such as wearing a collar, special tattoos, piercings, a very short haircut or a bald head. Some pornographic films use an artificial semen substitute to simulate or enhance creampie shots. In a few relationships, it leads as far as total submission of one partner in the truest sense of the phrase total power exchange . Diaper fetishism, nappy fetishism or diaperism, is a sexual fetish in which a person feels a desire to wear or use diapers. Such works have also often been subject hentai videos to censorship and other legal restraints to publication, display or possession. Many times a top actor will then be sought as a bottom and the debut is often treated as a notable event or even its own release. The naked appearance of actress Demi Moore in the advanced stage of pregnancy on the cover of Vanity Fair magazine in 1991 marked the beginning of a period which has since seen pregnancy presented by celebrities as a glamorous state of living, while also creating a market for photographers to produce images of pregnant mothers, and for fashion stylists to introduce pregnancy styling to their business. In the 18th and 19th centuries, some European theologians and physicians described it as heinous, deplorable, and hideous, but during the 20th century, momporn these taboos generally declined. Sadomasochism refers to the aspects of BDSM surrounding the exchange of physical or emotional pain. These styles are much closer to the style of bondage scenes gay movies in mainstream television. In these research publications, it is suggested that real female ejaculation is the release of a very scanty, thick, and whitish fluid from the female prostate, while the squirting or gushing shown frequently in pornography is a different phenomenon, the expulsion of clear and abundant fluid, which has been shown to be a diluted fluid from the urinary bladder. Cum shots typically do not appear in girl-girl scenes and orgasm is normally implied by utterances, cinematic conventions, or body movement.