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Ethnology of Tongareva
Figure 10. Coral stand grater (kau tuai) observed in rough working hut: a, side view; b, side opposite commencement. 1, piece of coral 5.1 inches long, 2 inches wide, and 1.4 inches thick; 2, longitudinal and front edges, rounded off; 3, slight groove chipped for lashing—coral is laid on piece of board (4) of same width at one end with 1.6 inches projecting beyond board; 5, running noose of fishing line fixed around coral and wood with six or seven close turns; 6, two half-hitches around lashing finish off cord on opposite side to commencement
Figure 10. Coral stand grater (kau tuai) observed in rough working hut: a, side view; b, side opposite commencement. 1, piece of coral 5.1 inches long, 2 inches wide, and 1.4 inches thick; 2, longitudinal and front edges, rounded off; 3, slight groove chipped for lashing—coral is laid on piece of board (4) of same width at one end with 1.6 inches projecting beyond board; 5, running noose of fishing line fixed around coral and wood with six or seven close turns; 6, two half-hitches around lashing finish off cord on opposite side to commencement.
