Making and Using the Venerable Hand Sling

You don't have to anticipate facing a foe named Goliath to enjoy taking a whirl with a hand sling.

hand sling - parts of a sling
The parts of a sling. Within practical limits, the longer the sling, the faster the missile will be propelled. Generally, though, the ideal length is 24" to 26" per side.
LYNN P. BALLARD