Insertion in pornography features women inserting various odd objects into their anus or vaginas. In gay pornographic movies, actors gay hentai who identify themselves as heterosexual, but who nevertheless perform explicit sexual acts with other males on film do not face the same stigmas as the mainstream acting counterparts and indeed can rise quickly to being featured actors. The fundamental principles for the exercise of BDSM require that it should be performed with the informed consent of all involved parties. Unlike the traditional definition of gaysex the term, in fetish usage a cuckold is complicit in their partner sexual infidelity and takes masochistic sexual pleasure in it. A sexual fetish may be regarded as an enhancing element to a romantic/sexual relationship achieved in ordinary milf fuck ways or as a mental disorder/disorder of sexual preference if it causes significant psychosocial distress for the person or has detrimental effects on important areas of their life. 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. There were also a very limited number of specialist fetish magazines which featured images of bondage, such as the famous Bizarre magazine published from 1946 to 1959 by the pioneering fetish photographer John Willie, and ENEG Exotique magazine, published 1956-1959. Ethnic pornography is a genre of pornography that features performers of specific ethnic groups, or depictions of interracial sexual activity. Pornographic films are generally classified into sub-genres which describe the sexual fantasy which the film and actors attempt to create. Squirt pornography involves women ejaculating. In addition to mainstream pornography, the popularity of facials has led to creation of its own niche market, like video series that specialize in showing the act.