Mutual masturbation can be practiced by males or females in pairs or groups with or without actually touching another person as indicated by the following examples of contact versus non-contact scenarios: Non-contact mutual masturbation Two people masturbating in the presence of each other but not touching. Another variant of reality pornography consists of normal couples that are filmed by professionals, in which case the only obvious distinction from amateur pornography is the higher quality of production, filming and editing. As in B/D, the declaration of the Top/Bottom may be required, though sadomasochists may also play without any Power Exchange at all, with both partners equally in control of the play. Hugo Ohira, hentai sex director of marketing for Silvercash, rhetorically asks Who does not like spewing their load on a pretty young face? Performers are usually clean-shaven, thinner and more effeminate than ones in mainstream gay pornography. Body parts including fingers, tongue and penis may be used for anonymous oral, vaginal and/or anal intercourse. Consent is the most important criterion here. Going back at least as far as the Christy twins in the 1970s, depictions of incest and particularly incest between twins has been young gay porn a feature of gay pornography. A male voyeur is commonly labeled Peeping Tom, a term which originates from the Lady Godiva legend. It may involve sexual attraction to women who are pregnant or appear pregnant, attraction to lactation, or attraction to particular stages of pregnancy such as impregnation or childbirth. The person sat upon may be in bondage, sexually submissive, or simply held down by the body-weight of the other person. A crush fetish is a fetish in which one is sexually horny milfs aroused usually when someone crushes objects, food, and sometimes small animals with their body, usually under their foot, or when crushed oneself. The scenario is a genre of erotica, which on the internet is sometimes abbreviated to CMNF, and may involve sexual and nonsexual erotic scenarios.