Vincent Lau’s job is to restore and maintain the blades of hundreds of clients a week. At Korin, the Japanese knife and kitchenware emporium where Lau does his work, you won’t find him using some ...

When you're using any type of cutting tool, like a kitchen knife or pocket knife, you should always check the sharpness of the blade first. Dull blades can slip off the target surface, putting your ...