Some anthropologists and sociobiologists believe that breast fetishism derives from the breasts similarity to buttocks, but instead provide sexual attraction from the front of the body. It is also followed by dedicated industry publications and trade groups as well as the mainstream press, private organizations , government agencies, and political organizations. Bukkake pornography involves a performer, usually female, onto whom several men or women ejaculate, usually on the face. Irrespective of the legal or social view of pornography, gay fuck it has been used in a number of contexts. Patricia Hill Collins, an African-American writer, theorizes that this is derived from a stereotype that those of black descent mature milfs are promiscuous, and their buttocks are objectified by porn as a result. During anal sex, male pleasure can be particularly derived from the prostate, which can lead to an orgasm and ejaculation. Double penetration of the vagina, anus and mouth, can involve: Simultaneous penetration of the anus by two penises or other objects. A study of 164 males in Finland from two SM clubs found that 18.2% had engaged in coprophilia; hentai porn 3% as a sadist, 6.1% as a masochist, and 9.1% as both. 18% of heterosexuals and 17% of homosexuals in the study pool had tried coprophilia, showing no statistically significant difference between heterosexuals and homosexuals. There are various subcultures under this umbrella term and distinct difference between these subcultures. The glans itself may widen and lengthen as the stimulation continues, becoming slightly darker in colour, while the gliding action of the foreskin reduces friction. Shotacon : Similar to Lolicon, this genre involves prepubescent or under-aged boys between the ages 6–12. The term comes from the French voyeur, one who looks. Lolita pornography features women who are 18 years old or slightly older, who pretend to be underage teen girls. However, various groups within society considered such depictions immoral, labelling them pornographic, and attempting to have them suppressed under obscenity laws, with varying degrees of success.
