How to Use a Katana flush router bit for woodworking
Eagle Lake Woodworking, hosted by John Nixon, offers great do-it-yourself guides for building your own furniture, especially in the American Arts and Crafts style, and turning your garage into an amateur woodshop. Search Eagle Lake on WonderHowTo for more carpentry tutorial videos. From Eagle Lake Woodworking on this specific lesson:
When using a flush cut bit for pattern routing, you can experience tearout in certain areas. The Katana Flush Cut Bit #8814 from MLCSWoodworking has a bearing on the top and the bottom so you can easily fip the piece over to ensure you are always cutting into the wood with the grain.