The phrase is commonly found on porn sites. Saliva pornography involves salivation and saliva. In more vigorous forms of fisting, such as punching gay cock or punchfisting, a fully clenched fist may be inserted and withdrawn slowly. Heterosexual bareback sex, as opposed to sex with condoms, not only poses an increased risk of STIs, but for pregnancy as well. 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. Boot hentai movies fetishism is a sexual fetish dedicated to boots. The person receiving anilingus is regarded as the passive partner in the act, and the person performing anilingus is the active partner. The higher pay scale and profile within a production often leads to group scenes where a straight actor only tops. Tentacle rape or shokushu goukan is found in some horror or hentai titles, with tentacled creatures having sexual intercourse with female characters. They cited the Internet momsex and text messaging as common ways of organising meetings. 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. Usually that person prefers to stage the wetting so that his/her legs become soaked with urine. Mammary intercourse is said by Alex Comfort to produce mutual orgasm in women with sensitive breasts , and it was one of the nine substitute exercises for penetrative sexual activities, as detailed in the Paradis Charnels of 1903. However, the tradition of bondage magazines continues in the form of art books of bondage photographs, published by mainstream publishers such as Taschen. Reality Reality pornography refers to real or faked amateur encounters. A common way that these are depicted in a single scene is with one woman and two men performing together.