Bareback sex is physical sexual activity, especially sexual penetration, without the use of a condom. Amateur porn has been called one of the most profitable and long-lasting genres of pornography. Often a horny milfs dominant woman, she may be called a Dom, Domme /ˈdɒm/, Femdomme, Domina, or Dominatrix, depending on context or personal preference. Others may also use vibrators and other sexual devices more commonly associated with female masturbation. This technique may include the use of a simulacrum, or artificial vagina. A common way that these are depicted in a single scene is with one woman and hentai movies two men performing together. In pornography, depictions of lesbian sex form a popular subgenre, directed toward a male heterosexual and female homosexual audience. Freud, however, considered such extensions of sexual interest to fall within the range of the normal, unless marked out by exclusivity . Crying pornography that features participating actors crying. It may also involve touching, rubbing, or pinching the nipples or other erogenous zones while masturbating. Bestiality pornography involves the sexual attraction of humans to animals. Sub-genres of Japanese porn Among the various sub-genres of Japanese pornography are the following: Lolicon ロリコン: This genre involves prepubescent and adolescent girls between the aged of 6-12. Softcore pornography generally contains nudity or videos gays 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. 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 countries, including the United States and Great Britain. These scenes may either have the cameraman directly engaging in sex or merely filming others having sex.