A sling is a type of weapon which involves swinging a rock round to gain speed before throwing it. The sling is an ancient weapon which was used in the Roman Empire . A skillful slinger can hit a target 10x10 cm at 20 metres distance. A sling has operational range for some 200 metres.

The most famous user of sling was David , the future king of Israel , who killed Goliath by slinging a stone on his forehead.

In the Middle Ages , Spanish peasants used slings against Moorish cavalry . A hit on the horse's head could kill the horse.

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