I've used the jig/rat tail as well. Then I went to the pink ceramic sharpener that Harbor Freight sells. I thought it was doing a good job, but .... and I also have to take down the lead tabs which I do with a normal bench grinder. I think maybe I just did it too many times. I used to cut 7 full cords of wood per year when I lived in New Hampshire. That was a few moons ago!