These scrapers, knives, spears, awls, needles and other objects of everyday use. These were used to make harpoons, awls, beads and needles. Other items were made from bronze, including needles, fishhooks, tweezers, axeheads, and awls. Stitching awls are frequently used by shoe repairers and other leatherworkers. There are scrapers, awls (with points for boring) and burins (with points for engraving). They include knives, awls and buttons. Knives, scissors, and awls had to be imported. During the Khiamian, bone was used for needles, awls and axe sheaths. Bone awls are pointed tips made on any bone splinter. The people made awls and needles from the bones. Sewing awls are used to make lock stitches. Bird bones were used by stone age peoples to make awls and other tools. It contained tools such as choppers, burins, and stitching awls. Scratch awls are traditionally used in leather-crafting to trace patterns onto leather. Bone pins and awls also survive and an extraordinary bone "plaque".