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 . Bondage pornography specializes in the depiction of sexual bondage or BDSM activities as photographs, stories, movies, or drawings. Irrespective of the legal or social view of pornography, it has been used in a number of contexts. Sigmund Freud considered foot binding as a form of fetishism. Group sex most commonly takes place in a private sex party or semi-public swinger gathering, but may also take place at massage parlors or brothels or, in some jurisdictions, at purpose-built locations such as sex clubs. The glans itself may widen and lengthen as the stimulation continues, becoming slightly darker in colour, while the gliding action of the foreskin reduces friction. Other fetish Bareback pornography features performers who are not wearing condoms. The phrase buttered bun is sometimes used to refer to the owner of the orifice in question. Felching is a sexual practice involving the act of orally sucking semen out of the vagina or anus of one partner. Hardcore pornography is pornography horny milfs that depicts penetration or extreme fetish acts, or both. Some are aroused from wetting their diapers, others like messing their diapers. A woman can use a secondary vibrator, between the dildo and her genitals, to get pleasure from pegging. Pro-am pornography is sub-genre of amateur pornography that refers to videos porno gay professionally made porn that features amateur actors/actresses, often appearing for the first time in a pornographic film. Once insertion is complete, the fingers are either clenched into a fist or kept straight. The term is typically used by the cinematographer within the narrative framework of hentai movies a pornographic film, and since the 1970s has become a leitmotif of the hardcore genre. Perhaps following the example set by gay pornography, they have become a popular subgenre within heterosexual pornography since the turn of the century, featuring both vaginal and anal ejaculations.