"Thus David prevailed over the Philistine with a sling and with a stone, and struck the Philistine and killed him. There was no sword in the hand of David." - 1 Samuel 17:50. The sling is a very old and extremely useful weapon that has slain even the mightiest of foes. I hope that this Instructable will give you all that you are looking for. Please leave a comment I love comments, tell me what you would like me to do, and if I don't know then I will find out. Or just leave feedback.