A spanking may be carried out with the use of a bare or gloved hand, or with any of a variety of implements, including a paddle, strap, hairbrush, feather duster or belt. Smotherboxes are usually custom made pieces of furniture that may have a special significance for their users. Yaoi is anime or manga that features gay males . If one person is penetrated by two objects, it is generically called double penetration . The current public acceptance of celebrities with sex tapes is speculated by Joe Levy, executive editor of Rolling Stone, to be due to the easy availability of pornography, as well as couples more commonly making their own tapes due milf xxx to the prevalence of video cameras. Group sex also occurs in populations of non-human animals such as bonobo apes and chimpanzees. The two sets of people involved often meet either randomly or arrange to meet up beforehand over the Internet. 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. Concerted deployed sexual rejection exercised on the partner can be an gay hentai aspect of Dominance and Submission as well. Lolita pornography that features actual teenage girls under the age of 18 is illegal in most countries and treated as child or youth pornography. A bisexual threesome may involve a man having sex with a man and a woman, the woman having sex with a man and a woman, or all three videos gays having sex with each other. Medical pornography involves sexualized medical, often fake, including gynecological pelvic examinations, rectal examinations, and pelvic or gynecological ultrasounds. Standing up, a chair, the corner of an item of furniture, or even a washing machine can be used to stimulate the clitoris through the labia and clothing. In some creampie films, both gay and straight, intercourse and internal ejaculation are followed by performers licking up the semen that has dripped from their bodies. Particularly, some pornography in this genre features butch women, who are almost never seen in mainstream pornography.