Scenes of multiple penetration are common in pornography. The term has as its origins Frantz Fanon epidermal schema and Edward Said Orientalism. For other diaper fetishists, simply wearing a diaper, the bulking feeling and crinkling sounds associated with it, is enough to cause the fetishist a form of erotic pleasure or sexual arousal. Freud, however, considered such extensions of sexual interest to fall within the range of the normal, unless marked out by exclusivity . The exact source and nature of the fluid continue to be a topic of debate among medical professionals, which is also related to doubts over the existence of the G-Spot. Bukkake, Gokkun, Omorashi, and tentacle erotica are few uniquely Japanese genres known to western viewers. Others involve partners who naturally have a significant gay hentai difference in size. The legal status of masturbation has also varied through history and masturbation in public is illegal momporn in most countries. In gay pornographic movies, actors who identify themselves as heterosexual, but who nevertheless perform explicit sexual acts with other males on film do not face the same stigmas as the mainstream acting counterparts and indeed can rise quickly to being featured actors. One or more of the participants may engage in autoerotic sexual activity, such as masturbation, possibly without physical contact with the other participants. Guro or Gore is a genre of Japanese pornography involving blood, gore, disfiguration, gay movies violence, mutilation, urine, enemas, or feces. Pornography is generally classified as either softcore or hardcore pornography. Fisting may be performed with or without a partner. It is practiced by people of all sexual orientations, and can be part of a full repertoire of sexual activity. In September 2003 the BBC reported on the new dogging craze. They may repeat this cycle multiple times. Contact mutual masturbation One person touching another person to masturbate. In recent years, Japanese films of this genre have become more common in the USA and Europe although it still remains a small, fetish-oriented part of the adult film industry.