Usually we have some graters in our kitchen that can be used to rub onions or ginger, but if you are not careful when using them, you will injure your fingers. Zyliss is a creative home designer who focuses on the design of daily household items. He designed a roller-type wiping board to avoid injuring fingers during friction. In the past, fixed wiping boards were used to rub food, but this roller-type wiping board fixes food. body, and then roll and wipe the plate, which is convenient, safe and hygienic. The friction rollers can be disassembled for cleaning or replaced with different styles.