Pass the stone over the edge on the sole side in several passes and then pass it over the edge in the same way.
Pass the stone over the edge on the sole side in several passes and then pass it over the edge in the same way.
Pass the stone over the edge on the sole side in several passes and then pass it over the edge in the same way.
Pass the stone over the edge on the sole side in several passes and then pass it over the edge in the same way.