I'm in the process of setting up my first kanna. I'm facing two problems:
- The blade is wider than the mouth, it overlaps the mimi and chips get stuck there (see picture). What is the correct way to remedy this? I would like to avoid grinding the blade to make it narrower.
- The osae-bō is bending when I hammer the chip-breaker to its proper position. I assume this is problematic. How shall I proceed? Do I need to file down or bend the mimi of the chip-breaker?