Portions of the film are used as a music video for Machine Gun by Portishead.
The film is included among the "1,001 Movies You Must See Before You Die," edited by Steven Schneider.
Even though the film is omitted in later editions of the "1,001 Movies You Must See Before You Die," edited by Steven Jay Schneider, it's still mentioned in the introduction as an example of cult-films.
Was intentionally filmed in black and white, as the filmmakers forsaw how disturbing the visuals would be and they "wanted audiences to at least finish the film".