Now you can easily add perfectly rounded corners to paper, cardstock chipboard leather plastic acrylic/poly and more! The Chomper also gives you two corner options 1/4in and 1/2in. The Corner Chomper features the strength of the Crop-A-Dile in a corner rounder easy open corner guide soft silicone handles for comfort and style waste receptacle holds the cut pieces until you are ready to empty them and a plastic guard protects fingers from getting cut or pinched.