Mouthpiece: Drill

Item number Na1139 from the MOA: University of British Columbia.

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Description

Mouthpiece of bow drill. Walrus tusk or tooth drill mouthpiece, oval in cross-section, constricted near centre, wider at one end with a groove 0.4 cm from this end. Hole longitudinally drilled through centre of oval.

History Of Use

Bow drills are used for piercing holes in walrus ivory, bone, antler and wood. The drill is revolved rapidly by wrapping a rawhide thong twice around the drill shaft. The thong is attached to a bow which is drawn back and forth thus rotating the drill. To keep the drill stable, the distal end is often held in a mouthpiece.