Peter Nowlan demonstrates these stones:
[youtu.be]
They look like theses stones:
[www.amazon.com]
[www.amazon.com]
Unfortunately the comments are turned off on the video, so you can't ask Peter to ask KnifePlanet.
[youtu.be]
They look like theses stones:
[www.amazon.com]
[www.amazon.com]
Unfortunately the comments are turned off on the video, so you can't ask Peter to ask KnifePlanet.