Fully Grooved Maul. Material: stone. Size: 2" W. x 5 1/4" L. Description: natural stone; fully grooved near one end; flat on ends; tapers to a narrow flat end.
Fully grooved maul used by Native Americans. Dr. Schirmer of Minnesota State University, Mankato visited 2 July 2013 and determined that this is a Native American tool.