Sigmund Freud considered foot binding as a form of fetishism. Lolita pornography features women who are 18 years old or slightly older, who pretend to be underage teen girls. In Canada, Teletoon offers up its own Teletoon at Night programming block. In academic discourse, racial fetishism is a postcolonialist term found in the writings of authors such as Homi K. Fisher said that perhaps, the fleshy, rounded buttocks attracted males during rear-entry intercourse. The other person may do the same during or after. Pro-am pornography is sub-genre of amateur pornography that refers to professionally made porn that features amateur actors/actresses, often appearing for the first time in a pornographic film. Bear features a combination of middle-aged, hairy or overweight males. Specific sex acts Anal Anal pornography features anal penetration with a penis, dildo, other objects, or some combination of them. Works in this genre may be considered adult for any number of reasons. Cuckolding can also be mixed with other non-monogamous relationship arrangements with which it has substantial overlap such as Swinging, wife-swapping, open relationships, and polyamory, etc. Double Stuffed , Double Vaginal , or Double Anal pornography involves the penetration of one orifice by two penises or other objects. Is also common of the furry genre. Some momporn aspects of the research community distinguish between female ejaculation and what is colloquially known as squirting or gushing. It is used, for example, at fertility clinics to stimulate sperm donors. Usually that person prefers to stage the wetting so that his/her legs become soaked with urine. Detective magazines, comic books and early fetish magazines In the early 20th century, Detective magazines covertly provided a way of publishing bondage imagery. In S/M, the Sadist is usually the Top and the Masochist the Bottom, but these roles are frequently more complicated or hentai sex jumbled . It is also known colloquially as gushing gay fuck or squirting, although these are considered to be different phenomena in some research publications.