Scenes of multiple penetration are common in pornography. High heel pornography involves women or men dressed in high heeled shoes. Insertion in pornography features women inserting various odd objects into their anus or vaginas. Sub-genres of Japanese porn Among the various sub-genres of Japanese pornography are the following: Lolicon ロリコン: This genre involves prepubescent and adolescent girls between the aged of 6-12. The shocker accomplishes this using several fingers of one hand. Consent is the most important criterion here. Erotic spanking is the act of spanking another person for the sexual arousal or gratification of either or both parties. In September 2003 porn milf the BBC reported on the new dogging craze. Twink pornography features younger performers, lesbian hentai and usually features young men under 30 who gay cock identify as gay or bisexual. Foot fetishism, foot partialism, foot worship, or podophilia is a pronounced sexual interest in feet. In these cases, the appearance of an enlarged abdomen caused by obesity or overeating may be sufficient, or simply the suggestion of a protruding navel. Cum-shot pornography features a collection of male ejaculation scenes. Voyeur or peeping Tom pornography is usually more staged with the subjects aware of the cameras, sometimes openly including this exhibitionist awareness. The legal status of masturbation has also varied through history and masturbation in public is illegal in most countries. It generally contains nudity or partial nudity in sexually suggestive situations. 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. The terms can be complimentary or pejorative. A large part of the popularity of these videos is seeing how regular and normal the girls are in real-life. Gonzo porn is influenced by amateur pornography, and it tends to use far fewer full-body/wide shots in favor of more close-ups . Erotic literature and pornographic films have been devoted to the sexual uses of glory holes.