This instructable will teach you how to make one of the oldest weapons mankind has ever used, the rock sling. Think of it as a swing set with a rock in the seat. To use it, you simply swing it around and around and then let go of one of the cords. Now watch as your rock goes flying off into the distance.
Step 1: Suplies
what you will need:
1: Twine (or any kind of thin cord)
2: rectangular piece of leather or cloth
3: a knife