This Blue whetstone is mined in only one place worldwide, the Belgian Ardennes. Starting in the 17yh century, farmers collected the stones from their fields and transformed them intro cutting stones.
Today, it still used primarily by barbers and kitchen chefs, who use it to sharpen their knifes. It is stille one of the most fine-grained stones in the world and it lasts for more than 20 years.
1. Measure the circumference of your wrist
2. Add 1 centimeter
3. Select your size