TSPROF Basics of the Sharpening Mastery video course will provide you with essential information that will help you improve your sharpening knowledge. It takes thousands of hours to learn how to sharpen professionally. With the video-course you will be able to sharpen knives like a pro after watching the tutorials and a couple of hours of practice. What kind of stones do you need for roughing? How to use fine-grained stones? These and many other questions will no longer bother you. Step and convex sharpening. Sharpening recurve... Information that is difficult to find on the Internet is now gathered in one place.