Tie a knot as close to the holes as possible. This is to keep the string from sliding out as you play the instrument. The knot should be on the inside of the cup and the tails should hang out of the cup's mouth. Hold the strings in one hand and the cup in the other. Slide your fingers along the string.
Friction is the key, so experiment with the sounds.
Bigger cups make bigger sounds. Rewax the string as needed. Supervise older children carefully. Inc. How things get done. Use of this Web site constitutes acceptance of the eHow Terms of Use and Privacy .