Preggo pornography features pregnant performers and may include erotic lactation as gay bear porn a fetish. Certain websites have begun providing bondage videos and photographs featuring the kidnapping roleplay, which has been largely the hallmark of detective style bondage magazines. Some anthropologists and sociobiologists believe that breast fetishism derives from the breasts similarity to buttocks, but instead provide sexual attraction from the front of the body. Some people get sexual pleasure by inserting objects, such as urethral sounds, into the urethra , a practice known as urethral play or sounding. The activity is done by itself or as a part of or prelude to other activities which many times involve sex. The current public acceptance of celebrities with sex tapes is speculated by Joe Levy, executive editor of Rolling Stone, to be due to the easy availability of pornography, as well as couples more commonly making their own tapes due to the prevalence of video cameras. Since mammary intercourse is a non-penetrative sex act, the risk of passing a sexually transmitted infection that requires direct contact between the mucous membranes and pre-ejaculate or semen is greatly reduced. The name was coined from the title of the controversial book. Buttocks are sometimes emphasized in pornography, where they are often referred to as booty. Some men gay hentai also enjoy anal stimulation, with fingers or otherwise, without any prostate stimulation. Additionally, the buttocks give an indication of the shape and size of the pelvis, which impacts reproductive capability. It is also followed by dedicated industry publications and trade groups as well as the mainstream press, private organizations , government agencies, and political organizations. As a form of non-penetrative sex, it can be done for its own enjoyment or as foreplay. On the other hand, the masochist enjoys being hurt, humiliated, or naked milf suffering within the consensual scenario. Bondage pornography specializes in the depiction of sexual bondage or BDSM activities as photographs, stories, movies, or drawings.