It may occur more frequently in private situations, such as spontaneous sexual activity among three friends, or arranged in a community of like-minded swingers or planned as a once-only experience; and rarely in anonymous settings, such as at orgies or other sex parties. As women, they face concerns separate from men. This is commonly called double vaginal penetration or double stuffing. Nevertheless, it is only an attempt at phenomenological differentiation. While wearing diapers, a diaper fetishist generally experiences a comforting feeling. Medical pornography involves sexualized medical, often fake, including gynecological pelvic examinations, rectal examinations, and pelvic or gynecological ultrasounds. To avoid soreness from this resulting friction, some may prefer to use a personal lubricant, masturbation cream anime hentai or saliva during masturbation. Lolita pornography caters to ephebophiles. Cartoon pornography is the portrayal of illustrated or animated fictional characters in erotic or sexual situations. HIV is among the infections that require such direct contact and is therefore very unlikely to momsex be transmitted via mammary intercourse. Hermaphrodite, also known as herm, refers to pornography, typically hentai, that features persons with the gaysex genitalia of both sexes. It is typically animated pornography, as the legal age to be featured in a pornographic film in Japan is 18. See also Gay-for-pay. Certain websites have begun providing bondage videos and photographs featuring the kidnapping roleplay, which has been largely the hallmark of detective style bondage magazines. Pantyhose/Tights/Stockings pornography involves women or men dressed in pantyhose, tights, or stockings. Whether or not licking and fondling is considered tea bagging was once debated on the Howard Stern Show. Mammary intercourse has sometimes been considered a perversion. This technique is also used by some men who are circumcised who have excess skin left from circumcision. For a foot fetishist, points of attraction include the shape and size of the foot and toes , jewelry , treatments , state of dress , odor, and sensory interaction .