Ergonomic design Comfortable and effortless to hold Double-sided blade Very good separation of dirt and surface, easy to clean Interchangeable blade Double reinforcement, safer and replaceable blades, longer use Retractable Unique push-pull switch design, safer storage How to use 1. Use a metal scraper to remove leftover food. 2. Add a few drops of a ceramic-approved cooktop cleaner. Use a soft cloth to rub it. 3. After cleaning, the blade can be removed simply by sliding the handle.