Stone scraper, , Kowanyama Land and Natural Resources Management Office, March 16 1997 [PH]. The Australian 50 cent coin, roughly 32 mm in diameter, allows for an estimation of size.

Stone scraper, Kowanyama Land and Natural Resources Management Office, March 16 1997 [PH].

Tools created from stone flakes serve a variety of purposes in traditional societies, such as stone scrapers or stone knives. One important function of a stone knife is as a cicatrising stone, used to make scars.