DEMONSTRATION IX. This is called "Replacing the Pin," and is very
effective when properly performed. Have a member of the audience take a
pin and insert it in the wall in a spot plainly visible to the audience,
not too high up, however--about on the level of your shoulder is best.
Then have him withdraw the pin and hide it somewhere in the room. Then
when you return to the room, and take the Transmitter's hand, you should
first find the pin, (in the manner heretofore described) and then find
the place where it had been stuck; then circling your hand around in
narrowing circles until you feel the proper impression push the pin
home in the spot in which it formerly was driven. This final effort is
really merely a modification of "finding the spot," and with a little
practice may be easily performed.