I'd love to do a course. I will look into that. I've heard the Blenheim Forge ones are very good.
Is this your stone? https://blenheimforge.co.uk/accessories-1/king-8006000-combination-stone
The Japanese Knife Company in Soho run some good sharpening courses. I can attest to their practical value in terms of improving technique, even as a lifelong sharpener. Not a blade guide in sight, of course.
@Sharkstar started
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I'd love to do a course. I will look into that. I've heard the Blenheim Forge ones are very good.
Is this your stone? https://blenheimforge.co.uk/accessories-1/king-8006000-combination-stone