Originally Posted by badmother

want a BIG slingshot?? Turn your bike upside down. Take off front wheel. Use old tube to make the sling: First cut it to one long elastic band (cut on each side of the valve to get rid of it). Tie onne end to each of the two fork ends. Sit on the bike just behind BB, feet placed on handlebars to keep it in place. Pull back sling. Load with an egg or something, aim at one of the natives and let gooo...