Before the enforcement of the Hays Code, some cartoon shorts contained humor that was aimed at adult audience members rather than children. Gay pornography is the representation of sexual activity between males. Internationally, hentai is a catch-all term to describe a genre of anime and manga pornography. Hermaphrodite, also known as herm, refers to pornography, typically hentai, that features persons with the genitalia of both sexes. Certain websites have begun providing bondage videos and photographs featuring the kidnapping roleplay, which has been largely the hallmark of detective style bondage magazines. Typically features adult, masculine men with varying degrees porn milf of muscle, body fat, and body hair, akin to beefcakes, or bears. Shotacon : Similar to Lolicon, this genre involves prepubescent or under-aged boys between the ages 6–12. Some masturbate only using pressure applied to the clitoris without direct contact, for example by pressing the palm or ball of the hand against underwear or other clothing. Following the introduction of the Motion Picture Association of America film rating system, independent animation producers attempted to establish an alternative hentai videos to mainstream animation. Diaper fetishism, nappy fetishism or diaperism, is a sexual fetish in which a person feels a desire to wear or use diapers. By comparison, gonzo pornography puts the camera right into the action, often with one or more of the participants both filming and performing sexual acts, without the usual separation between camera and performers seen in conventional porn and cinema. The primary subjects of pornographic depictions are pornographic models, who pose for still photographs, and pornographic actors or porn stars, who perform in gay sex video pornographic films. At the end of the evening the female partners would randomly select keys from the bowl and leave with that key owner. It is geared towards heterosexual men, who most typically define a threesome as such. Today, pornographic films can be sold or rented on DVD, shown through Internet and special channels and pay-per-view on cable and satellite, and in adult theaters.