The anus has a relatively high concentration of nerve endings and can be an erogenous zone, and the receiver may receive pleasure from external anal stimulation. There were also a very limited number nude milfs 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 Naked Girls 1956-1959. This style of filming is in contrast to having a separate, third-person camera crew filming all the action. English adopts and uses hentai as a genre of pornography by the commercial sale and marketing of explicit works under this label. It is used, for example, at fertility clinics to stimulate sperm donors. It may be used as foreplay, or as an alternative to sexual penetration. The term Asiaphile is sometimes used to describe videos porno gay the same phenomenon as is yellow fever . A celebrity may allow such a recording to surface willingly, as part of a publicity stunt. The term is a slang word that originated in the gay community and comes from anime hentai the equestrian term bareback, which refers to the practice of riding a horse without a saddle. A somewhat controversial ejaculation control technique is to put pressure on the perineum, about halfway between the scrotum and the anus, just before ejaculating. If ejaculation is onto the other person face it can be called a facial. Transsexual pornography features transwomen performers, who typically have male genitalia and augmented female breasts . This can, however, redirect semen into the bladder . Since the 1980s, many practitioners and organizations have adopted the motto safe, sane and consensual, commonly abbreviated as SSC, which means that everything is based on safe activities, that all participants be of sufficiently sound/sane mind to consent, and that all participants do consent. Animal masturbation has been observed in many species, both in the wild and in captivity. Matsuo used amateur actresses in his videos, and he usually traveled to their hometowns for the filming.