a. lower surface, which is held in the hand
b. upper surface, which fits into the shaft of the harpoon
c. longitudinal section
- bone or ivory hook designed to fit into the end of the harpoon shaft
- longitudinal groove, chilamaqa, which keeps the harpoon on the thrower during the act of throwing; it must be accurately made if the harpoon is to be thrown properly
- opening through which the hunter places his index finger
- indentation for the thumb
- indentation for the other three fingers of the hand.