Whether you’re a recent convert to Iron Chef or just want to slice up your morning oatmeal into a charming floral pattern, you know sharp knives are a) imperative and b) easy to screw up. Enter the ...

The claim. Edge of Glory, two tungsten carbide teeth set in a plastic base, is claimed to be "The World's Best Knife Sharpener!" A video boasts of its skills, including the ability to sharpen a credit ...