How to Sharpen Double-edged Knives
To take off the fine scratches and the burr left by coarser stones, and polish the surface, one can use stones starting around 2000 grain.
If you have a small nick on your blade hold the blade at a 45 degree angle from the surface of the stone. If you are just looking to do some light sharpening, hold it at a shallower angle
If you run your fingers from spine to edge on the side that was facing up you should be able to feel the burr, If not, continue sharpening.
Repeat the same process from steps 3 to the other side of the knife.
Brush the blade on canvas or denim fabric to realign the edge for a finishing touch.