Sharpening a knife with a stone is essentially the second stage of maintenance of a knife (the first stage is the use of a sharpening steel).
The use of a sharpening stone restores the blade to its original degrees and maintains the perfect edge. Now days all the stones are whetstones-
due to the composition of the blade - but can also be used with oil. All Wusthof stones are made from silicon carbide and high quality corundum. In addition, a non-slip base is provided for the stone. When it comes to stone sharpening there are some basic rules