Sexual relations between women have been illustrated as well as narrated, but much of the written material from the early modern period has been destroyed. Arcane or occult pornography involves sexualized situations with an occult or magical tone or performers who costume themselves in keeping with the theme, for example, a male performer dressed as a wizard. Common positions include lying on back or face down, sitting, squatting, kneeling or standing. The volume of semen that is ejaculated depends on several factors, including the male health, age, degree of sexual excitement, and the time since his last ejaculation. Pornography may fall into more than one genre. In Canada, Teletoon offers up its own Teletoon at Night programming block. The 3d hentai phrase buttered bun is sometimes used to refer to the owner of the orifice in question. Tentacle erotica can be consensual, but frequently contains elements of non-consensual sex. Some men also enjoy anal stimulation, with fingers or otherwise, without any prostate stimulation. Preggo pornography features pregnant performers and may include erotic lactation as a fetish. Because the viewing of such films carried a social stigma, they were viewed at brothels, adult movie theaters, stag parties, at home, in private clubs and also at night cinemas. Many fantasies include the macrophile shrinking young gay porn before a normal sized woman or keeping his or her normal height while the partner grows in size. Solo performances in gay pornography have been described in 1985 as either or both active and/or milf xxx passive , whereas female solo performances are said to be exclusively passive . What seems clear from the historical record is that much of the lesbian material in pornographic texts was intended for a male readership. The term is typically used by the cinematographer within the narrative framework of a pornographic film, and since the 1970s has become a leitmotif of the hardcore genre. This is commonly called double vaginal penetration or double stuffing.