The easiest way to sharpen your axe is by using our Xsharp sharpener. Firstly, choose the angle for your axe blade, and then do between three to five even, horizontal strokes. To make sure the blade is sharp enough, simply see if you can carve a mark on the surface of a log. | Fiskars

Best Angle to Sharpen a Knife (Sharpening Angle Guide) - KnifeBasics

How to Sharpen a Axe or Hatchet