Acorn Whistle

In this instructable, I will show you how to make an acorn make a high pitched, whistling sound.

Step 1: Materials

An acorn shell,
 your hands,
and your mouth.

Step 2: How To

Put your thumb knuckles over the acorn in a V shape about 4/5 up the acorn, being sure to leave about half a centimeter of uncoverved space.Now put your lips over your knuckles, one below and one above, and then blow as hard as you can.

Step 3: The Most Important Step

Have fun and don't use it to torture people.