Mark the centre of the blade

It is best to find a way to mark the centre of the cutting edge on the blank. This will allow the filing to be approximately equal on both sides. But, there is lots of variability that will still exist. So if the student does not follow a line the knife will still be successful. We use the hard tooth of a caliper to eyeball the centre. If not available, use a black felt pen to lay out the centre. Erase and start again if off centre.

John Jamieson, Chris Meeko, Danny Kavik

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