Search:

Are they a finisher ??? as in, do they improve the edge and give a more comfortable shave over the 8k level of Synthetics that most of us use for our SR's

Yes given the right conditions IME with 4...

No if you crush it you change the structure,
The size of the cutting particles are only part of the story, how they sit, what they sit in, and how they release, if they release all has a part in the...

That is possibly the hardest abstract to understand with Natural Hones, although they often times bump up the "Comfort quotient" I seriously doubt many at all bump up the Keenness level...

That...