The drawknife presents some interesting sharpening challenges, but any hand tool woodworker can learn to sharpen and maintain a drawknife like a pro. Pete Galbert's drawknife grinding jig. https://youtu.be/ZFL0RSliTyY?si=-UcA5dkraPW7IX8O
Right-click 'Download' and select 'Save Link As' if the file opens in a new tab.