Spanking or whipping pornography involves spanking or whipping, gay movies generally of the buttocks, with the hand or with other objects such as belts, switches, paddles, brushes, or whips. Others involve partners who naturally have a significant difference in size. Though the term anal sex most commonly means penile-anal penetration, sources sometimes use the term anal intercourse to refer exclusively to penile-anal penetration, and anal sex to refer to any form of anal sexual activity, especially between pairings as opposed to anal masturbation. The padding may also muffle noises from the outside, causing a relaxation effect and heightening their other senses. Scenes of multiple hentai sex penetration are common in pornography. Big Beautiful Woman is a euphemism for an overweight woman and is frequently used in gay bear porn the context of fat fetishism. Practitioners have described going to public places such as a mall or a park. RACK may be seen as focusing primarily upon awareness and informed consent, rather than accepted safe practices. Sometimes special furniture is used, such as a queening stool or smotherbox. In recent years, Japanese films of this genre have become more common in the USA and Europe although it still remains a small, fetish-oriented part of the adult film industry. One or more of the participants may engage in autoerotic sexual activity, such as masturbation, possibly without physical contact with the other momsex participants. Foot fetishism, foot partialism, foot worship, or podophilia is a pronounced sexual interest in feet. Bukkake pornography usually depicts numerous celeb sex tapes men having sex with one woman, with multiple, usually 10 or more, men ejaculating on the female face. In some areas, there are laws stating it is not legally possible to consent to be killed, and elsewhere it may still be legally dubious . Pornography can be classified according to the physical characteristics of the participants, fetish, sexual orientation, etc., as well as the types of sexual activity featured.