We've mentioned that a dull knife is a dangerous one, and discussed how to properly sharpen a knife or use a water stone in the past. Still, why exactly is a dull knife more dangerous than a sharper one? Plus, honing is easy with a 10" chef's knife—how do you keep your paring knives sharp? This video from the America's Test Kitchen answers both questions, and shows you how to test to see if your knives are ready to use. More »