Chelsea Miller started making custom knives in 2011 and has grown her client list to include some of the top chefs in the world. Business Insider visited her Brooklyn studio to learn how she does it.

Compared to popular European chef's knives, Japanese blades are lighter and sharper, allowing for more precise cuts. On the low end, most Takamura blades cost a couple hundred dollars. But custom ...

and the spin of the custom-made Japanese whetstone that powers the business. Ms. Kawano stocks both traditional and modern Japanese knives, and has converted many American chefs to the latter ...