Hand sharpening utilizes individual whetstones for a more precise and delicate job ensuring top sharpness after the service.
Machine sharpening using a Japanese grindstone is quicker for those who need their knives sharpened asap.
↓ Sharpening for Traditional Style Knives
Since Japanese Traditional Knives are structured & constructed with a single bevel and a single edge, the best way to sharpen these knives are by hand using whetstones.