Secrets of the great mysteries now revealed for the first time : handcuffs, iron box, iron bottle, iron boiler, coffin, rope chair, mail bag, band box, tramp chair, glass case, paper bag, packing case, straight jacket : a complete guide and reliable authority on all tricks. Full explanation of how the various tricks are performed, with diagrams and illustrations (1909)
Oudini · [Boston] : Oudini · leaf 63
58 THE GREAT MYSTERIES the chair leg, having first placed in the saw cut the pick or key where it is firmly held. The pick is pre- ferable to the key in this case, as the key will some- … Fig. 5 times break under the severe test. The cuffs, being thus placed in contact with the pick or key, when the correct position has been taken it will enter the key- hole and the lock will be sprung open, allowing one side of the cuff to be removed. After this the other side may be removed more…
Magic tricks
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.