Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by process]
7. cutting equipment
8. cutting tools

Anotations

Scope note:

Terminology used by prehistorians for a class of microlithic blades with one edge blunted by a secondary retouch. It is assumed that this was so that they could be held more easily. Backed blades first appeared in the early Upper Paleolithic.