I won't try to describe this better than Dr. Wilbur Pan did at his web site, giant Cypress.
That said, Leonard Lee recommends not resharpening these unless you are a professional at it. The shape is too complex, and often includes a 3rd or 4th bevel on each tooth. Additionally, diamond grindstones are often used.
About this site
Remember : The goal of sharpening is to produce sharp tools, and these tools can injure you if mishandled. Safety measures should be followed to protect yourself and those in your shop. Be sure to read and follow all instructions from the manufacturer, and and utilize proper safety equipment. Never consume alcohol or anything that could impair your judgement before sharpening tools, or using sharp tools.
Comments can be sent via eMail to me at SharpeningHandbook@Gmail.com.