Here’s a newspaper clipping from the San Diego Coronado January 27, 1917. Hardeen had just finished a week of performing in Los Angeles.
Savoy Theatre. Topping the attractive bill of high class acts will be Hardeen, famous as “The King of Handcuffs.” Hardeen’s work when he appeared at the Savoy more than a year ago is still remembered by all who saw him baffle every attempt to keep him In especially prepared packing boxes., huge milk cans, strait-Jackets and various styles of handcuffs and leg irons. During his present engagement on the Pantages circuit Hardeen is offering; many new feats ” that are said to be even more amazing than those with which he formerly astonished. Special features are to be during the week, in several instances feats never before seen on a San Diego stage being promised by this greatest of all handcuff experts.