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spear thrower

A wood or bone rod with a hook on one end that fit into a socket at the base of a spear. This device was used by the Cro-Magnon and other people with Upper Paleolithic technologies to push off spears. It increased the range and force of impact of projectiles by essentially increasing the length of the spear thrower's arm. The spear thrower is also known as an atlatl.

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