First of all don't use a triangular file, even a #4 cut. You will be
leaving a roughened surface and you just might have to polish the
claws again. Have you ever thought of using a Flat graver #40 just
for this operation? What you do is to sharpen the gravers cutting
edge and place that edge just a little above the ">" of the bearing
cut. With a slow and deliberate cut in a careful downward motion,
right to the base of claw itself. You will now observe two things...
no filing has taken place, little need for polishing, and a very
bright angled edge of the "bearing-cut". This will make a definite
'finish' for the light to bounce off from the "pavilion" of the now
Gerry, the Cyber-Setter
toll free cell phone 1-877-850-0003.