It might cut faster, but if it takes off more metal, it's because the user is not paying attention.
Whether it is with your fingers or a magnifying glass, you need to figure out how to detect the burr
sharpening : create a burr, flip it to the other side, remove it
Whether it is with your fingers or a magnifying glass, you need to figure out how to detect the burr
sharpening : create a burr, flip it to the other side, remove it