Sharp edged / Knife shelf

Because of the kitchen knife get blunt gradually when we use it for a period of time. To keep the kitchen knife sharp is difficult and annoying for us to use the grindstone, and it will cause accident and damage to our hand or finger easily.

the Sharp Edged combine the knife shelf and grindstone, every time we take and put the kitchen knife back, it get sharp again. It's easy and safe for anyone to use the knife, and keep us out from unnecessary wasting.