Slings

Not to be confused with slingshots.

Related: (pre-modern projectile weapons)
* Bows
* Crossbows
* Thrown weapons

Related:
* Projectile physics
* Projectile recovery

Historical info:
... evidence suggests slings were invented in pre-Neolithic era, though it's unlikely more specific timeframe can be deduced from existing historical evidence.
... possibly known in all corners of Earth long before written languages surfaced.
... used in combat (and war) even still back in 400 BCE
... by middle ages the military use of basic slings had waned to non-existence, but still lived on as staff slings, catapults and similar devices derived from slings.
... shepherds and such still used the basic sling in middle ages, for both driving away predators and hunting birds and other small animals for food.