Other stone shapes made were chisels, adzes, maces and spearheads. Flints included axes, adzes, arrowheads and denticulated sickle blade elements. Commonly used woodworking tools included axes, adzes, chisels, pull saws, and bow drills. Tools included double adzes, double- and single-bladed axes, axe-adzes, sickles and chisels. Long-distance trade of obsidian, adzes, and favourable adze source rock and shells was practiced. Northwest coast adzes take two forms&colon; hafted and D-handle. Their only weapons were the bow, adzes, and wooden harpoons. Timber was worked with iron adzes and axes. They are defined by surface finds of tanged points, burins, scrapers, and adzes. They discovered cutting tools, basalt adzes and pre-form tools. Early ice axes had picks and adzes of about equal lengths. Their tools included rectangular adzes and red slipped decorated pottery. Their sites are characterized by corded-ware pottery, polished stone adzes and slate points. At Anakalang, for instance, quadrangular adzes have been unearthed. As with European adzes, iron shapes include straight, gutter and lipped.