Native Americans did not trade in pelts except to Europeans. Pelts are what they had, and traded with. Not what they traded for.

The PBS series: We Shall Remain

After the Mayflower: https://www.youtube.com/watch?v=DYAdf-oGc8c

Tecumseh's Vision: https://www.youtube.com/watch?v=9LPXEoQskYA

The Trail of Tears: https://www.youtube.com/watch?v=S8o0heHXQF8

Geronimo: https://www.youtube.com/watch?v=q79NaHAscIA

Wounded Knee: https://www.youtube.com/watch?v=1DHFjB-A5Ho