After a chef's knife and a paring knife, some cooks say that the knife they most can't live without is their bread knife. It's a crime to ruin a fresh loaf of bread by smashing it beneath the blade of a dull knife. The wide, œlow frequency � serrations on the Shun Classic Bread Knife are not only razor-sharp, but they do a much better job slicing any type of bread than a straight-edged knife.