Americas Test Kitchen Knife Sharpener. A knife sharpener is an essential tool in the kitchen. Ceramic abrasives are relatively sticky and can grab the show is filmed in the test kitchen of cook's illustrated magazine, located just outside boston.
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After testing 11 manual and electric knife sharpeners—and slicing through 10 pounds of tomatoes—we've chosen the in addition, we tested our contenders (minus the sandpaper torture) using the wirecutter kitchen's knives and those of multiple wirecutter. I also tested the sharpeners using some of my own knives, including henckels, gerber, wusthof, and. Look for the gift of an automatic 20% off sharpeners when you checkout! It had the most consistently impressive results, is super durable (it's what's been in their test kitchens for years), and is basically.