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. Shibari is a Japanese word that literally means to tie or to bind. The higher pay scale and profile within a production hot gay sex often leads to group scenes where a straight actor only tops. It concludes these findings suggest that an explanation for fat admiration may be that FAs are rejecting sociocultural norms of attractiveness. Pornography in the early 2000s. Softcore gay pornography also exists; it at one time constituted the genre, and may be produced as beefcake pornography for heterosexual female and homosexual male consumption. It is sometimes described as a sexual fantasy, by women or men, depicting an exhibitionist or physique worship scenario. See Gay-for-pay. These scenes may involve the female actor calling for the shot to be directed at some specific part of her body. Unlike erotic films, pornographic films contain explicit sexuality and do not claim any artistic merit. The sub-genres usually conform to certain milf xxx conventions, and each may appeal to a particular audience. It spawned numerous sequels, several of which won adult film awards. Emetophilia pornography involving vomiting and gagging. Gay-for-pay describes male or female actors, pornographic stars, or sex workers who self-identify as heterosexual but who are paid to act or perform as homosexual professionally. In the context of consensual erotic activities, sadism and masochism are not strictly accurate terms; there is a significant difference from the medical or psychological usage of both terms. Lesbianism has been a theme gay hentai in erotic art since at least the time of ancient Rome, and many regard depictions of lesbianism to be erotic. Saliva pornography involves salivation and saliva. The buttocks in human females thus contain more adipose tissue than in males, especially after puberty. In pornography, depictions of lesbian sex form a popular subgenre, directed toward a male heterosexual and female homosexual audience.