Printed from: https://conservationhandbooks.com/toolcare/sharpening/wood-chisels/
Chisels need to be very sharp, so use an extra fine stone such as a flat carborundum stone. Lay it flat on the bench, and at right angles to the body. Use a light cutting oil to lubricate and provide the cutting medium. The chisel initially abrades away a small amount of stone which combines...