Your kitchen knives have been bearing the brunt of your pandemic culinary pursuits. And if you haven’t given them some TLC over the past few months—or ever—you might notice that it takes some effort ...

—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 ...