In this instructable, i will show how to make a sling. making a sling is easy, fun, and one of these bad boys can outclass any slingshot. Slings were first used thousands of years ago for hunting and as weapons. They were used in war up to the1700s in the British military weapon that the Calvary men used for long range hits. A sling was used by small man David to take down the giant Goliath in the bible.