I wouldn’t wish a dull knife on my worst enemy. As the primary cook in my house, and a former chef, I jumped at the chance to assess eight knife sharpeners as part of Consumer Reports’ Outside the ...

—it’s a dull knife. Once that blade is dull, it forces a person to misuse a knife, resulting in problems. Traps don’t get carved right. Meat doesn’t come off the bone of your deer right. And, in ...