Its surprise success and that of Salon Kitty and The Night Porter led European filmmakers, mostly in Italy, to produce around similar films, with just over a dozen being released over the next few years. The most infamous and influential title (which set the standards of the genre) is a Canadian production, Ilsa, She Wolf of the SS (1974). Most follow the women in prison formula, only relocated to a concentration camp, extermination camp, or Nazi brothel, and with an added emphasis on sadism, gore, and degradation. Nazi exploitation (also Nazisploitation) is a subgenre of exploitation film and sexploitation film that involves Nazis committing sex crimes, often as camp or prison overseers during World War II. Ilsa, She Wolf of the SS is considered the quintessential Nazisploitation film