Photo -- See Caption Below

Atlatl [spear thrower]
Western Eskimo
The atlatl consists of a long thin 'throwing board' or stick, held on one end. The other end has a "hole" that accepts the spear. Hunters used these weapons effectively to extend their aim.
Wood. L 34.3, W 5.0 cm
John Muir National Historic Site, JOMU 1398