Wow, excellent work! If having a felt platen gets these results... I'm getting some felt! (Beyond the felt, I'll betcha there's a boat load of experience and honed skills involved in your workmanship.)I could not make a quality knife without my felt platten. ( most important tool in my shop )
I do not use it for grinding blades but for handles and accessories like guards and butt caps.
It softens the edges and makes the lines flow together. Try one you will love it.
I also use it when I have a SOFT handle material with stainless pins, an ordinary platten and belt tend to leave high spots where the pins are sitting or if you apply to much grinding pressure gouge out the handle material.
I have even used them on a blade spline where you want a slight rounded effect.
I use it to make pommel nuts by spinning them with a drill into the felt platten.
I found a store that sells felt liners for winter boots and simply glue it to a piece of platen material. When it wears out scrape it off and glue on another piece.
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