How did the coastal native Americans use seashells

The Coast Miwok traded clamshell beads and abalone shells to the Wappo and Pomo for obsidian. Clamshell beads were also used as a kind of money which could be used to pay for songs and prayers, dancers, doctors, and instruction in special skills. Among the Coast Miwok, men tended to be the beadmakers.

Explanation:

the answer would be logic.

1. i forgot 2. he was gay 3. they killed a lot of the population 6. they rode horses and had swords we have guns and tanks