Have fun with this crumpled knife If you need a slicer for vegetables, fries or fruits, try this wavy vegetable cutter for fancy edges and embossed cuts.  This stainless steel corrugated vegetable cutter helps you add style to your meals. Turn regular fries into crumpled fries or use them as a corrugated pickle cutter.  Use this wavy knife for vegetables and add a little fun to your salads, vegetables and more.