Unfortunately, the Leica's take-up spool needs a longtapering tongue of film, which users must wedge under a spring clip on the spool's barrel before manually wrapping a few turns of film around it.
Dr. BORIS WORM (Assistant Professor, Marine Conservation Biology, Biology Department, Dalhousie University, Halifax, Canada): They have a huge head, a big mouth with which they can engulf their prey and then the rest of their body is a longtapering tail.