14+ Knife Sharpest. Keep your knives sharp with the best knife sharpeners. Testing the sharpest knife in the world.
The video is titled fast precise cutting skills using one of the world's sharpest knives.
Here's a good demonstration in this youtube video from 1:27 to 1:48. Knife sharpening is the process of making a knife or similar tool sharp by grinding against a hard, rough surface, typically a stone, or a flexible surface with hard particles, such as sandpaper. A sharp knife will be able to cut through the skin and insides without smashing the fruit. A knife is arguably the most important tool in the kitchen, but it's essential that the blade is sharp.