Examples include the Girls Gone Wild and Girls Who Like Girls Series. A variant of A2M is ATOM where a performer inserts his penis directly from one recipient anus into a second recipient mouth. Commercialized pornography accounts for a nearly US0 billion worldwide industry for the production of various media and associated products and services. This can, however, redirect semen into the bladder . Double penetration of the vagina, anus and mouth, can involve: Simultaneous penetration of the anus by two penises or other objects. Rainbow party A rainbow party is an urban legend spread from the early 2000s. Multiple men and women Bisexual pornography gay hentai features one woman and two men who all perform sex acts on each other. Both sexes sometimes apply lubricating substances to intensify sensation. Sex parties may be organized to enable people to engage in casual sexual activity or for swinging couples or people interested in group sex to meet, but any gathering where sexual activity is anticipated can be called a sex party. Rape pornography features performers simulating rape. Men may also rub gay fuck or massage the glans, the rim of the glans, and the frenular delta. The object or situation of interest is called the fetish; the person who has a fetish for that object/situation is a fetishist. If ejaculation is onto the other person face it can be called a facial. Solo pornography recognized with AVN Awards include the All Alone series and All Natural: Glamour Solos. Since development and pronunciation of the buttocks begins at menarche and declines with age, full buttocks are also a symbol of youth. Detective magazines, comic books and early fetish magazines In the early 20th century, Detective magazines covertly provided a way momsex of publishing bondage imagery. Terminology for roles varies widely within the various BDSM subcultures. A sub-set of vaginal fisting attempts to cartoon porn comics photograph the female cervix immediately after the fist is removed from the now-gaping vagina. A pornographic work is characterized as hardcore if it has any hardcore content, no matter how small.