Supplemental Data for "Grinding what?: Using tribology, microscopic use-wear patterns and context to understand ancient foodways in northern Ethiopia 1600 BCE – 800 CE"

This is a supplemental data, in the form of a .mp4 file for Darcus, Laurie's thesis titled, "Grinding what?: Using tribology, microscopic use-wear patterns and context to understand ancient foodways in northern Ethiopia 1600 BCE – 800 CE".