Wristguard or bracer
The recoil of a bow string can cause injury to the inside of the archer’s wrist if this is not protected. Beaker burials often include a rectangular plate of bone or stone, perforated at the corners, that has been interpreted as a wristguard for use in archery. It may have been tied on directly or pinned onto a leather strap. It is sometimes difficult to distinguish a wristguard from a whetstone, and some may well have served both purposes.