Lightning Handcuffs

"These genuine double lock American type Police cuffs have been individually and ingeniously faked for the use of Magicians & Escapologists. Adjustable to fit any wrists. Chrome Plated Finish. Double lock with 2 keys. Will withstand the most thorough and rigid examination. Secret setting makes the escape impossible for anyone else. Can be left with spectators before the show. Magicians can escape within a split second. Supplied with full instruction by David De-val himself. Yes, the Escape really is like 'GREASED LIGHTNING' ..... One moment the cuffs are tight on your wrist ..... the next moment you're FREE !!! THE GREATEST HANDCUFFS EVER PRODUCED!"