Trying to find another lid for the oven

Summary: 
Tohono O'odham polychrome pottery making study with Rupert Angea by Helga Teiwes.
Description: 

Fearing that the metal sheet might touch the pot, Rupert tries the other washtub as a lid, but finds that it fits too tightly and would be too difficult to remove.

People: 
Rupert Angea