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
Dirty Harry (film series) on whenever the need arose". Manohla Dargis compared Eastwood's presence on film to "Dirty Harry" and the" Man with No Name", stating, "Dirty Harry is back, in a way, in "Gran Torino", not as a character but as a ghostly presence. He hovers in the film, in its themes and high-caliber imagery, and of course, most obviously in Mr. Eastwood’s face. It is a monumental face now, so puckered and pleated that it no longer looks merely weathered, as it has for decades, but seems closer to petrified wood." Tania Modleski, author of "Clint Eastwood and Male Weepies", said, "[f]or