Squeeze the workpiece in a vice and use a cork or wooden bar as a file, preferably with two hands, working across the fibers change the skin when it stops working and clogs with waste (especially with tarry wood).
Squeeze the workpiece in a vice and use a cork or wooden bar as a file, preferably with two hands, working across the fibers change the skin when it stops working and clogs with waste (especially with tarry wood).