It is suggested that much of the obscurity and the uncertainties about female ejaculation are related to mixing up these two phenomena. In more vigorous forms of fisting, such as punching or punchfisting, a fully clenched fist may be inserted and withdrawn slowly. Diaper pornography involves performers wearing diapers, sometimes with an adult performer acting in the role of a caretaker. In academic discourse, racial fetishism is a postcolonialist term hot gay sex found in the writings of authors such as Homi K. A somewhat controversial ejaculation control technique is to put pressure on the perineum, about halfway between the scrotum and the anus, just before ejaculating. Femdom features BDSM scenes in which the dominant partner is female. Heterosexual bareback sex, as opposed to sex with condoms, not only poses an increased risk of STIs, but for pregnancy as well. Real medical shots or 3d hentai videos may violate privacy laws in some countries. The Silent Duck, also called Duck-Billing, is the technique often used in which the person engaging in hand insertion shapes the hand to resemble a duck beak. The momsex prostate gland is one of the organs that contributes fluid to semen. The object or situation of interest is called the fetish; the person who has a fetish for that object/situation is a fetishist. Pornography may be presented in a variety of media, including books, magazines, postcards, photographs, sculpture, drawing, painting, animation, sound recording, film, video, and video games. This style of filming is in contrast to having a separate, third-person camera crew filming all the action. Although interracial pornography theoretically can apply to depictions of sexual activity between performers of any different racial groups, the term is most commonly used for heterosexual sex acts between black and white performers. Both forms of pornography generally contains nudity. As a result, little in history was documented to give an accurate description of how female homosexuality is expressed.