Is ButterUp the best thing to happen to your breakfast since sliced bread? Perhaps. Designed to prevent cold chunks of butter from ripping apart your sandwich, this nifty knife takes a hard brick of butter and turns it into sumptuous, spreadable ribbons. Its form was perfected by self-proclaimed "butter enthusiasts" who prototyped a plethora of models before finally settling on a design that features a wide blade with built-in grater for maximum butter-to-bread surface area. Dishwasher safe.