Lolita pornography features women who are 18 years old or hentai sex slightly older, who pretend to be underage teen girls. The cover can have hinges or be a separate part. Solo performances in gay pornography have been described in 1985 as either or both active and/or passive , whereas female solo performances are said to be exclusively passive . Rape pornography features performers simulating rape. On May 27, 2010 the television program The Doctors discussed the topic with dozens of teens, parents, and professionals. Women who perform in lesbian pornography often do not consider themselves lesbian or bisexual. Yaoi is anime or manga that features momsex gay males . Yuri female homosexual hentai. Women oriented pornography is sometimes referred to as sex positive pornography. In Japanese, this natural-fibre rope is known as asanawa; the Japanese vocabulary does not make a distinction between hemp and jute. Jerk off instruction features a performer encouraging or instructing the viewer to masturbate, often culminating in a countdown at the young gay porn end of which the viewer is invited to induce orgasm. Use of the agreed safeword is seen by some as an explicit withdrawal of consent. 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. For some people, non-penetrative sex is the primary sexual activity of choice above all others. Hardcore pornography is pornography that depicts penetration or extreme fetish acts, or both. It has also been recommended as a form of foreplay or safer sex. A woman can use a secondary vibrator, between the dildo and her genitals, to get pleasure from pegging. It is also followed by dedicated industry publications and trade groups as well as the mainstream press, private organizations , government agencies, and political organizations. Oral sex pornography frequently features a person performing fellatio, and less frequently cunnilingus.