Etching grater will be sharp than normal grater, this is kind of grater can be use to cut vegetable, it can help the vegetable keep watering n nitration during cutting.
There is hand protector, you can input the food in protector to cut the food, this way can protect you hand during cutting food.
At bottom of grater, you can find TPR insert in bottom for anti-slip during using. The two side grater combine by two different n popular blade function, one is coarse, another is fine, you can choose different function to cut food according you requested.
Refer to photos you can find how to move the blade once finish cutting food, this way can help clearly the grater easily.