Horses' Collars(1935)
OVERVIEW
The Stooges are private detectives in the Old West trying to help a girl recover an IOU from a bad guy. Their attempts to steal the IOU from the villain's wallet and then from a safe meet with problems until Curly, who goes berserk whenever he sees a mouse, knocks out all the bad guys.
TAGLINE:
Those 3 lunatics are on the loose again!