The Iron Mule is a 1925 American silent comedy film directed by Roscoe Arbuckle and Grover Jones.
The Iron Mule is a steam engine used to haul converted carriages on a rail.
A group of indians put logs on the tracks and derail the engine.
They start firing arrows which lodge in an open carriage door.
It reads "Genuine Unborn Plush Wig: Sears Roebuck Co.".