Wow I match now! I used the Tam pattern in Hats On! by Charlene Schurch but added some pattern to match my mittens. Blocking it with a plate in sure made a nice crisp edge.
My husband is making bobbins for the Louet S51 spinning wheel. He uses white oak to turn down perfect 3 groove bobbins and then uses polished aluminum for the shaft. Each one is hand made and tested for even turning and quietness. They are for sale so leave a comment with any questions. Hand made in the USA. shipping to the USA only. 25.00 plus S&H Paypal only