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. Unlike erotic films, pornographic films contain explicit sexuality and do not claim any artistic merit. This fetish sometimes originates from childhood memories of needing, or of seeing another needing, to urinate. In the 1970s, the hardcore pornography genre introduced the stereotypical cumshot scene as a central element of the hardcore film, in which the male actor ejaculates in a way ensuring maximum visibility of the act itself. After the prerequisite level of sexual stimulation has been achieved, and ejaculation becomes imminent, the male will position his penis so that the semen discharged will be deposited onto his partner face. Insertion in pornography features women inserting various odd objects into their anus or vaginas. Reality Reality pornography refers to real or faked amateur encounters. Twink pornography features younger performers, and usually features young men under 30 who big tit milf hentai tentacle porn identify as gay or bisexual. Voyeurism: Seeing another urinate without the person knowledge either through video taping by a hidden camera, or by lurking in locations where people are urinating or are likely to have an urge to urinate. Group sex is sexual anime hentai behavior involving celeb sex tapes more than two participants. It may be used as foreplay, or as an alternative to sexual penetration. Men and women may masturbate until they are close to orgasm, gay boy porn stop for a while to reduce excitement, and gay boy porn then resume masturbating. Consent is the most important criterion here. Pornography is often referred to as porn and a pornographic work as a porno. Actual spying may violate privacy and/or trespassing laws in many countries. Bottom and submissive are widely recognized terms for those partner in the relationship or activity who are, respectively, the physically receptive or controlled participants.