 You know, a lot of people don't quite understand how it is, you can sharpen a serrated knife edge. So, on any serrated knife, or most serrated knives anyway, you've got a flat side, then you have the beveled side over here that has the little grooves in it. First thing you want to do is sharpen the flat side. So, this is the flat side, I'm going to sharpen it using an extra fine belt. And you're basically just honing those grooves just like this, and you too can sharpen your serrated knives.