Watch Corn on the Cop (1934) : Full Movie Online Free A 1934 Warner Brothers Vitaphone short, "Corn on the Cop." In this one, two hobos launch a get-rich scheme by trying to sell axle grease marketed as salve for relief from corns and bunions. The idea, unfortunately, goes awry. Starring Harry Gribbon with Shemp Howard, Boyd Davis, and Mary Doran.