Saliva pornography involves salivation and saliva. This technique may include the use of a simulacrum, or artificial vagina. The name of the practice, when it is done in a repeated in-and-out motion, is derived from its passing resemblance to the dipping of a tea bag into a cup of hot water as a method of brewing tea. The term applies to the depiction of the act rather than the act itself, and so does not include live exhibitions like sex hentai porn shows and striptease. Hardcore pornography is pornography that depicts penetration or extreme fetish acts, or both. There may be more than two participants; both group sex and gang banging can be included. 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. Jerk off instruction features a performer encouraging or instructing the viewer to masturbate, often culminating in a countdown at the end of which the viewer is invited to induce orgasm. Examples include the Girls Gone gay bear porn Wild and Girls Who Like Girls Series. BDSM is a variety of erotic practices involving dominance and submission, role-playing, restraint, and other interpersonal dynamics. It concludes these findings suggest that an explanation for fat admiration may be that FAs are rejecting sociocultural norms of attractiveness. Reality pornography is professionally made porn which seeks to emulate the style of amateur pornography. By Japanese law, the genitals of actors and actresses lesbian milfs must be censored and up the mid-1990 so was the depiction of pubic hair. Often, strong views are expressed with regard to anal sex; it is controversial in various cultures, especially with regard to religion, commonly due to prohibitions against anal sex among gay men or teachings about the procreative purpose of sexual activity. It spawned numerous sequels, several of which won adult film awards.