Sharpening steel Victorinox 7.8620

Professionals blade knives using a whetstone after each use. In a domestic environment is one use of the knife so short that it does not need to be sharpened so frequently. Knives that you use most often, it is necessary to sharpen them about once a month. Knife back rotate outwardly, so that the grinding angle reached a size of approximately 20 cm blade on both sides with certainty repeatedly drag over the grindstone. The whetstone too much pressure.