For removing rust from carbon steel knives. Flexible rubber containing cleansing compound removes stubborn rust on your carbon steel knives without fuss.
Wet the eraser with water and place your knife on flat surface. Hold the handle securely and scrub along the direction of the grain ( lines on the knife) gentry scrub towards edge. Rust that has gone deep need time and patience to remove. The best way to remove is that use your knife everyday, scrub with cleanser and wash thoroughly with warm water and dry completely after use.