The Easiest Way to Peel an Orange! The patented WingKnife, by BRIX, is a smart and handy citrus peeler for both oranges and lemons. Specially designed to handle both thick and thin peels. The "wings" of the peeler prevents the user from cutting too deep. Use one end as you would a knife and the other end to remove peel without damaging the fruit. WingKnife is made of high-density plastic in an elegant design. It has no moveable parts, and is extremely durable. Dishwasher safe.