Dirty Harry "Rawhide", was responsible for creating Callahan's distinctive old-fashioned brown and yellow checked jacket to emphasize his strong values in pursuing crime. Filming for "Dirty Harry" began in April 1971 and involved some risky stunts, with much footage shot at night and filming the city of San Francisco aerially, a technique for which the film series is renowned. Eastwood performed the stunt in which he jumps onto the roof of the hijacked school bus from a bridge, without a stunt double. His face is clearly visible throughout the shot. Eastwood also directed the suicide-jumper scene. The line, "My, that's a big
Clean-up creating the final drawings you see in the finished film. It does not necessarily mean a "clean" fine line. The artist, usually a team of artists, uses key drawings and animation charts from the animator, making it appear as though one artist has created the whole film. The clean-up artists will follow the intentions of the animators and stay true to performance and movement. Clean-up is generally done on a new sheet of paper. They can be done on the same sheet as the rough animation if this was done with a "non-copy blue" pencil. This certain tone of blue