Atlatl petroglyphs in at Site Iny-8c (R-25), Upper Renegade Canyon of the Coso Mountains of California. Atlatl glyphs celebrate the ancient invention, the atlatl, a kind of lever-arm for increasing the force and accuracy of thrown darts or 'spears'; before the advent of the bow & arrow. The handiwork of many individuals over thousands of years, the incised designs are thought to record the visions of shamans pursuing vision quests, spirit helpers, and the power of the supernatural.? Possibly as