Designed in Australia by Sacha Pantschenko, Craig Andrews, and Norman Oliveria, this nifty knife takes a hard brick of butter and turns it into sumptuous spreadable ribbons. Designed to prevent cold butter from tearing apart your bread as you spread, the wide blade with grater-like holes aerates and softens butter. Easy to spread also means that you use less. The grater shape has been specifically designed for butter and to avoid sharp edges so cleanup is safe and easy. Dishwasher friendly.