By comparison, gonzo pornography puts the camera right into the action, often with one or more of the participants both filming and performing sexual acts, without the usual separation between camera and performers seen in conventional porn and cinema. The term has also applied to other professions and even companies trying to appeal to a gay demographic. Positions can also be chosen specifically for added effects such as increased humiliation, elevation and suspension. Testosterone discourages fat storage in these areas. Typically features adult, masculine men with varying degrees of muscle, body fat, and body hair, akin to beefcakes, or bears. Voyeurism is the sexual interest in or practice of spying on people engaged in intimate behaviors, such as undressing, sexual activity, or other actions usually considered to be of a private nature. Particularly, some pornography in this genre features butch women, who are almost never seen in mainstream pornography. Medical pornography involves sexualized medical, often fake, including gynecological pelvic examinations, rectal examinations, and pelvic or gynecological ultrasounds. Breast naked milf fetishism is a paraphilic sexual interest focused on female breasts . As women, they face concerns separate from men. Among fetishists, the pose of reluctance—the victimization of the cuckold—is a major element of the paraphilia. Ass to mouth is a slang term primarily used to describe the withdrawal of a penis from the receptive partner anus followed by the immediate insertion into the receptive partner mouth. The loose and direct camera work often includes tight shots of the genitalia, unlike some traditional porn. This genre also features male-on-male fellatio through a small hole made in a bathroom divider. The glans itself may widen and lengthen as the stimulation continues, becoming slightly darker in colour, while the gliding action of the foreskin reduces friction. A person may be sexually penetrated multiple gay hentai times simultaneously.