- Joined
- Aug 29, 2018
- Messages
- 2,146
- Reaction score
- 4,429
@Wabisabi-Ken
The faster you see the stone turn the swarf from black to red, the more reactive the stone is, and likely to leave etching or paitina marks on the knife
The faster you see the stone turn the swarf from black to red, the more reactive the stone is, and likely to leave etching or paitina marks on the knife