Interactive pornography, available in CD-ROM and DVD format, allows the viewer to select the particular acts performed at any one time, sometimes with the camera providing a first person view. It contains graphic sexual activity and visible penetration. The industry generally refers to such films as adult films, which is part of adult entertainment. The object or situation of interest is called the fetish; the person who has a fetish for that object/situation is a fetishist. BDSM communities generally welcome anyone with a non-normative streak who identifies with the community; this may include cross-dressers, extreme body mod enthusiasts, animal players, latex or rubber aficionados, and others. The lesbian hentai actual height of the giantess within the fantasy may vary depending on the individual. Diaper fetishism is totally independent from pedophilia as the wearer derives pleasure only from the diaper and/or use of it. For example, in Australia it is rated Refused Classification . There are number of types of sex parties: Swinger party/gathering A swinger party or partner-swapping party is a gathering at which individuals or couples in a committed relationship can engage in sexual activities with others as a recreational or social activity. Double Stuffed , Double Vaginal , or Double Anal pornography involves the penetration of one orifice by two penises or other objects. Several hundred exclusively pegging films were produced, as well as twice as many bisexual and straight films with strap-on scenes. Urolagnia is a form of salirophilia gaysex in which sexual excitement is associated with the sight or thought of urine or urination. Group sex pornography features at least two men and two women , usually more, who all perform sex acts on each other. Transsexual pornography is a genre of pornography. The original definition of dogging – and which is still a closely related activity – is spying on couples having sex in a car or other public place. Internal milf fuck ejaculation shots are a comparatively recent development in pornography; they are not found in early pornographic films.