three balls. Cover once more and command the ball under the right hand hat to join the others under the left without your assistance. When the right hand hat is lifted the ball has vanished and the four will be found under the left.
Explanation.—When rolling the small pellets make four instead of three and hold the fourth one concealed between the points of the first and second fingers of the left hand. When you put the first ball in the right hand, drop the concealed one with it and carelessly show the left hand empty. Pick up the second one openly and place it in the right hand, opening the hand only enough to slip the ball in, not enough to show the others. Take up the third ball and pretend to throw it away, but really roll it into the concealed position at the tips of the fingers and immediately throw down the three from the right hand.
The second time you put only one hall in the right hand, still holding the extra ball hidden. Display the single ball in the right hand, as described above. Close the hand and pick
