This easy-to-understand, fully illustrated manual is a fine primer on the art of locksmithing without specialized tools. It discusses using jimmie and "shove knives," screwdrivers, drills, door frame spreaders, hacksaw blades, thumb tacks, elastic bands, and other common tools and items to open doors, windows, desks, and cabinets. This classic booklet is fascinating reading for professional locksmiths or anyone interested in this useful skill.