However the genre remains a very small proportion of the pornographic DVD market; for example at porn retailer HotMovies. It is sometimes described as a sexual fantasy, by women or men, depicting an exhibitionist or physique worship scenario. It may be regarded as taboo or unnatural, and is a criminal offense in some countries, punishable by corporal or capital punishment; by contrast, people also regard anal sex as a natural and valid form of sexual activity that may be as equally fulfilling as any other desired sexual expression. A facial is a form of non-penetrative sex, though it is generally performed after some other hentai movies means of sexual stimulation, such as vaginal sex, anal sex, oral sex or masturbation. The interaction between tops and bottoms—where physical or mental control of the bottom is surrendered to the top—is sometimes known as power exchange, whether in the context of an encounter or a relationship. Guro or Gore is a genre of Japanese pornography involving blood, gore, disfiguration, violence, mutilation, urine, enemas, or feces. Some actors who are actually gay or bisexual will be marketed as straight to appeal to the allure of the unattainable, because straight men are virgins to sex with other men, and as in most gay male settings, the young, the muscular, and the unfamiliar are more sought.. Buck Angel is the best-known actor in this genre. These typically are leaked to the public via the Internet, with or without the celebrity consent. Using mature milfs the term shemale for a transsexual woman often implies that she gay cock is working in the sex trade. Foot fetishism, foot partialism, foot worship, or podophilia is a pronounced sexual interest in feet. 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 . Crying pornography that features participating actors crying. Shemale is a term primarily used in sex work to describe a trans woman with male genitalia combined with female secondary sex characteristics, usually including augmented female breasts, from breast augmentation and/or use of hormones.