8 Best Flattening Stones (August 2026) Tested and Reviewed

best flattening stones

I’ve been sharpening knives on whetstones for over a decade, and nothing kills a sharp edge faster than a dished stone. After burning through three Japanese waterstones in two years, I finally got serious about flattening. That’s when I learned that the best flattening stones aren’t optional accessories. They’re as essential as the whetstones themselves. … Read more