The padding may also muffle noises from the outside, causing a relaxation effect and heightening their other senses. Watersports pornography features sexual activities involving urine, such as golden showers. Enema pornography involves adults given enemas to others, often fake. Creampie scenes depart from heterosexual pornographic convention in favor of a depiction that more closely mimics sexual intercourse as performed in ordinary life; they have been called the counterimage of facials. Depictions of male and female masturbation are common in pornography, including gay pornography. Clothes wetting: The person is sexually aroused by wetting one clothing or observing another person doing so. Fisting pornography features the insertion of an entire hand into a performer vagina or anus. The prostate gland is one of the organs that contributes fluid to semen. It may also involve touching, rubbing, or pinching the nipples or other erogenous zones while masturbating. Within a BDSM or D/s context, facesitting can be an especially intense form of erotic humiliation. Targets the male gay videos audience, but is much less popular than Yaoi. Ass to mouth pornography shows the transfer of a performer penis from a second performer anus to that same second performer mouth in a single shot. Hentai is the various forms of Japanese pornography, including H-manga, H-anime, and H-computer games. This style of filming is in contrast to having a separate, third-person camera crew filming all the action. Pornographic films present sexual fantasies and usually include erotically stimulating material such as nudity. The work of Bruce Seven has been called reality porn, due to his lack of using scripts and asking his performers to act naturally in their own character. Bobbi S. One or more of the participants may engage in autoerotic sexual activity, such as masturbation, possibly without physical contact with the other participants. Bukkake, Gokkun, Omorashi, and tentacle erotica are few uniquely Japanese genres known to western viewers.