There is a substantial amount of incest pornography on the Internet, leading some to argue it may legitimize or encourage real-life incest. There are currently no known laws forbidding the crushing of objects and insects, however the production or trade of crush erotica involving live vertebrates is condemned by animal rights activists and is illegal in many mature milfs countries, gay bear porn including the United States and Great Britain. Softcore pornography generally contains nudity or partial nudity in sexually suggestive situations, but without explicit sexual activity, sexual penetration or extreme fetishism, while hardcore pornography may contain graphic sexual activity and visible penetration, including unsimulated sex scenes. Simultaneous gay hentai penetration of the vagina by two penises or other objects. In the United States, creating, distributing, or possessing crush videos has been illegal since 1999, and many other countries also have banned them. It can also be heightened by the person saying that they have to urinate. Anti-pornography psychologist Ana Bridges and colleagues conducted a content analysis of best-selling heterosexual pornographic videos showing that over 96% of all scenes concluded with a male performer ejaculating onto the body of his female partner. The term bareback is used less frequently in the heterosexual community. In straight pornography, intercourse is often followed by a facial, pearl necklace or other visible ejaculation. To tea bag is a slang term for the sexual act of a man placing his scrotum in the mouth of a willing sexual partner for pleasure or onto the face or head of another person. Accepting that Eros is not always pretty, and may involve the forbidden or taboo - as with women pornography – forms part of the struggle with the good girl/bad girl or virgin-whore split in postmodern femininity. It generally contains nudity or partial nudity in sexually suggestive situations. Weather Report Girl is considered yuri hentai in English usage for its depiction of lesbian sex, but in Japan it is just yuri.