Were you even listening?

Fix a mask, huh...

...Well, doesn't matter. I suppose it has nothing to do with you at this point.

You take off the cut or chipped part like this...

Whittle it into shape... And add new wood in its place.

...something like this.

If you're interested, I can teach you next time. It probably wouldn't hurt to be able to fix some slight damages yourself.

Yaay—!