Some do not use the diapers at all, for arousal, or bladder and bowel movements. Pornography may be presented in a variety of media, including books, magazines, postcards, photographs, sculpture, drawing, painting, animation, sound recording, film, video, and video games. It is used, for example, at fertility clinics to stimulate sperm donors. A crush fetish is a fetish in which one is sexually aroused usually when someone crushes objects, food, and sometimes small animals with their body, usually under their foot, or when crushed oneself. It is suggested that much hentai videos of the best mobile porn obscurity and the uncertainties about female ejaculation are related to mixing up these two phenomena. Bottom and submissive are widely recognized terms for those big tit milf partner in the relationship or activity naked celebrities who gay fuck are, respectively, the physically receptive or controlled participants. However, bisexual pornography is often placed near the hardcore gay sex gay section in adult video stores, since many consumers are gay men. Pregnancy fetishism is a context where pregnancy is seen by individuals or cultures as an erotic phenomenon. It is mutual consent that makes a clear legal and ethical distinction between BDSM and such crimes as sexual assault or domestic violence. Sometimes one or more fingers may be inserted into the vagina to stroke its frontal wall where the G-spot may be located. The term applies to the depiction of the act rather than the act itself, and so does not include live exhibitions like sex shows and striptease. Usually that person prefers to stage the wetting so that his/her legs become soaked with urine. The term hentai is never used in this context in Japanese. Foot fetish pornography features heavy emphasis on the feet of the participants, either in combination with kissing and genital sex or in the context of acts such as trampling or crush fetishism. They further argue that setting a discrete line between safe and not-safe activities ideologically denies consenting adults the right to evaluate risks vs rewards for themselves; that some adults will be drawn to certain activities regardless of the risk; and that BDSM play—particularly higher-risk play or edgeplay—should be treated with the same regard as extreme sports, with both respect and the demand that practitioners educate themselves and practice the higher-risk activities to decrease risk.