Iny-8 in Renegade Canyon, in the Coso Mountains of California was the handiwork of many individuals over thousands of years. The pecked designs are thought to record the experiences of shaman pursuing vision quests, spirit helpers, and the power of the supernatural. Possibly associated with the intake of Jimsonweed, a hallucinogen. Panels such as this invite the question: was the power cumulative? Did a shaman engraving a Bighorn Sheep or a self-portrait over an older glyph gain more from the ef