Archaeological evidence points to a major change beginning around 1,000 years old, with the arrival of new technologies such as notched line sinkers and circular shell fishhooks, bows and arrows, flanged steatite pipes, stone "flower-pot" mortars, new Olivella shell bead types, and "banjo" effigy ornaments signifying the development of the Kuksui secret society.
Archaeological evidence shows a significant change around 1,000 years ago, with the introduction of technologies such as notched line sinkers, circular shell fishhooks, bows and arrows, flanged steatite pipes, stone "flower-pot" mortars, new Olivella shell bead types, and "banjo" effigy ornaments. These innovations indicate the development of the Kuksui secret society.