You've been cutting your sandwiches WRONG for years. Forget the diagonal vs horizontal cut. No, try The Duff Cut, a sandwich slice that is supposed to give you the PERFECT bite every time. We know ...

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Here are some of the foods you might be slicing, peeling, or cutting wrong — and tips to help you do it right. Using a peeler on ripe kiwis can crush them — use a spoon instead.