Note 8 — Chapter XXI · The Remaining Branches and Offshoots of the Kula
Reading edition
The actual manufacturing of the armshells presents also no difficulties. The ornament is made out of a belt of the shell cut out nearest to its base. With a stone, the natives knock out the circular base along the rim, and they also knock a circle at some distance from the base and parallel to it, by which the broad band of shell is severed, from which the ornament is to be made. It has then to be polished, and this is done on the outside by rubbing off the soft calcareous surface on a flat sandstone. The interior is polished off with a long, cylindrical stone.8