Make a Slingshot
Create your own primitive tool.
1. Make elastic bands. To begin, tie 2 rubber bands together to make a long band. Repeat. If you find you want more power later, you can double up the rubber bands.
2. Make a pocket. Cut a small rectangle out of a scrap of leather or sturdy cloth. You can either tie the rubber bands to the pocket, or cut 2 small holes and loop the bands through.
3. Assemble. Tie the rubber bands to the ends of a forked stick. If the bands slip off, try lashing them in place ...