How to sharpen a knife
Sharpening to the correct angle with a Japanese whetstone is not difficult when you use good-quality whetstones. The sharpening angle of a knife can be learned in a few minutes. How to sharpen a knife with a whetstone. Knife sharpening.

One of the last videos explores a topic that has been much asked about, namely how to sharpen a Scandinavian Puukko knife. (Subtitles included)