[This item was repatriated to Lil’wat Nation Nov 22, 2019]. Half moon shape, grey granite stone; flat on bottom, rounded on top; Used by the natives for ? [2019 update] Lil’wat multipurpose stone tool. Made from granite, half-moon or ‘C’ shape. Crescent stone used for flaking arrow heads or as a hammer stone. Sometimes the inside is used as a scraper to smooth the wood of bows and shafts of arrows.