Targets the male audience, but is much less popular than Yaoi. Bisexual anime hentai pornography is a genre of pornography which most typically depicts one woman and two men who all perform sex acts on each other. Women porn is often produced by women and aimed specifically at the female market - rejecting the view that men are turned on by porn but women only by a box of chocolates. Saliva pornography involves salivation gay twinks and saliva. A crush fetish is a fetish in which one is sexually aroused usually when someone crushes objects, food, and sometimes small animals with their body, usually under their foot, or when crushed oneself. Individuals are also sometimes abbreviated when referred to in writing, so a dominant person may be referred to as a Dom for a man, and a Domme for a woman. It is sometimes described as a sexual fantasy, by women or men, depicting an exhibitionist or physique momsex worship scenario. The concept of lesbian, to differentiate women with a shared sexual orientation, is a 20th-century construct. Celebrity sex tapes are amateur or professionally-made recordings of sex acts, as performed by a celebrity and their partner. Transsexual people Transman pornography features performers who were born female and who medically transitioned to male. Bareback sex is physical sexual activity, especially sexual penetration, without the use of a condom. See Gay-for-pay. Several hundred exclusively pegging films were produced, as well as twice as many bisexual and straight films with strap-on scenes. Watersports pornography features sexual activities involving urine, such as golden showers. Mutual masturbation can be practiced by males or females in pairs or groups with or without actually touching another person as indicated by the following examples of contact versus non-contact scenarios: Non-contact mutual masturbation Two people masturbating in the presence of each other but not touching. Such films continued to be produced but could only be distributed by underground channels.