Grinding (abrasive cutting) - Wikipedia
Susquehannock Indian Hand Mortor Pestle/ Grinding Stone/Artifact Pa. $54.95. $7.90 shipping. Watch. Phallic Pestle California Native American Indian Grinding Stone Artifact #1 NR. $51.00. 7 bids. $8.31 shipping. Ending Aug 31 at 5:32PM PDT 3d 19h. Watch. Ancient Native Americas Grinding Stone Mortar Pestle Indian Artifact. $400.00.