The full-weight body-pressure, moisture, sex odors and darkness can be perceived as powerful sexual attractions or compulsions. The queening stool is also related to a smotherbox, which also allows the person under the seat to be locked in place, restrained by the neck as in a set of stocks. New York photographer Irving Klaw also published illustrated adventure/bondage serials by fetish artists Eric Stanton, Gene Bilbrew, Adolfo Ruiz and others. In Japanese, this natural-fibre rope is known as asanawa; the Japanese vocabulary does not make a distinction between hemp and jute. Detective magazines, comic books and early fetish magazines In the early 20th century, Detective magazines covertly provided a way of publishing bondage imagery. It is typically hentai sex animated pornography, as the legal age to be featured in a pornographic film in Japan is 18. People may experience pleasure from anal sex by stimulation of the anal nerve endings, and orgasm may be achieved through anal penetration – by indirect stimulation of the prostate in men, indirect clitoral/G-spot stimulation in women, and associated sensory nerves . Since mammary intercourse lesbian milfs 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 niche popularity grew significantly in the latter half of the first decade of the 2000s. This is commonly called double vaginal penetration or double stuffing. Women oriented pornography is sometimes referred to as sex positive pornography. Behind the Green Door was one of the first pornographic films to feature sex between a white actress with a black actor . Most bisexual porn is made by small production companies rather than the major studios. Group sex pornography features at least two men and two women , usually more, who all perform sex acts on each other. Diaper fetishism is totally independent from pedophilia as the wearer derives pleasure only from the diaper and/or gay sex video use of it.