The Wicked Edge Safety Shields protect your hand while sharpening. After all, sharpening knives can entail risk. You sometimes need to be careful not to cut your fingers, especially when you want to get the job done quickly. With a Safety Shield you can be sure that this won't happen. This product protects your hand while you're sharpening, without hindering you. So you can still sharpen freely, but a lot more safely. The shields come as a set of two and can be used with all Wicked Edge sharpening stones and strops.