Kren took some scenes from a number of movies by filming directly from the screen without looking through the camera's view-finder. He inserted the missing sexual climax, by taking material left-over from (his documentation of) Mühl's Libi-Aktion. (Hans Scheugl: "Die Filme. Eine kommentierte Filmographie," in: (ed.) Scheugl Ex Underground Kurt Kren. Seine Filme, Vienna 1996)
