Abstract: A container assembly for a sharpening stone which can be converted from a package for transport and display into a pedestal for supporting and exposing the sharpening stone for use. The assembly is formed of a sheet of polymeric material having a plurality of panels joined by living hinges. A generally box-shaped package can be formed for containing the sharpening stone by folding the panels in one direction and joining end flaps and panels by the use of detents. A pedestal for exposing the sharpening stone can be formed by folding the respective panels on the assembly in the opposite direction and joining into a box-shaped configuration with the use of the end flaps, panels and detents.

Abstract: A device particularly suited for sharpening broadhead arrows and having sharpening surfaces which are curved in the direction the broadhead travels as it is sharpened. In a preferred embodiment, the sharpener comprises two sharpening surfaces to sharpen broadhead arrows and a third cylindrical sharpening surface which can be used to sharpen other discrete cutting elements. Each broadhead sharpening surface is formed as two sections which are curved about an axis perpendicular to the direction of travel of the arrow blades so that only one line of contact is formed between a blade and its respective sharpening section, resulting in even sharpening along all the points on a blade.