grind. The so-called ten years to sharpen a sword, the sword will be placed on the house stone polished
When grinding the tool, we usually observe the grinding degree of the tool visually. Because if you use the cutting method to judge the grinding degree of the tool, the knife will become blunt again. Of course, only suitable for your own use is the best, knife is no exception, whether the knife is sharp or not depends on whether it can meet your relevant needs. Only those who can meet the needs can be called a good knife, not simply believe in sharpness. For example, fishing, hunting or kitchen knives are different in appearance, but their blades are similar. Therefore, no matter what kind of knife you want to use, just grind it according to the actual situation to make it easy to use.
