You can use a very fine machine paper with oil and wrapped around a small flat file to polish the face...or a very fine stone. Doesn't take much. That way the flats remain flat. Then a good clean after and it'll look new.
You can use a very fine machine paper with oil and wrapped around a small flat file to polish the face...or a very fine stone. Doesn't take much. That way the flats remain flat. Then a good clean after and it'll look new.
Regards, Jim