As of 2013, little analysis of this paraphilia has been reported in medical literature. Facial cum shots are currently regularly portrayed in pornographic films and videos, often as a way to close a scene. Films with risqué content commenced to be produced soon after the invention of the motion picture in the 1880s. The term soft crush refers to the more common fetish surrounding videos involving inanimate objects or small invertebrates being crushed, while the term hard crush refers to such videos involving larger animals with vertabrae, and arguably more pain-susceptible animals . Lolicon and its contribution to the controversy regarding the regulation of pornography of depicting minors that don’t exist has been a major issue for free speech in and outside of Japan. It is sometimes combined with BDSM features. Dwarfs or midget pornography gay twinks features performers who are dwarfs/midgets. Saliva pornography nude milfs involves salivation and saliva. A pornographic work is characterized as hardcore if it has any hardcore content, no matter how small. Transsexual 3d hentai people Transman pornography features performers who were born female and who medically transitioned to male. 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. Female ejaculation is the expulsion of fluid by the paraurethral ducts through and around the human female urethra during or before an orgasm. The term lesbian is also used with regard to sexual identity or sexual behavior, regardless of sexual orientation, or as an adjective to characterize or associate nouns with female homosexuality or same-sex attraction. 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.