whetstone ,knife sharpener,cutlery,sharpening,edge,blade whetstone ,knife sharpener,cutlery,sharpening,edge, ... gentle pressure, simply pull the edge of the blade in a 20-degree angle across the stone from ... the heel of the blade to its tip. Repeat this same procedure on ... - 10 minutes. Always place the stone on a flat, slip-resistant surface, and use the entire surface of ...