capo-hardening?

[jolly roger]

Hi Mark,
              I dress and shape the capo bar, then take the plate to a
black smith, who heats it with a torch and quenches it with oil.  He just
gets the edge of the capo a dull cherry red, then pours the oil on.

Regards Roger


At 03:24 PM 9/21/01 -0500, you wrote:
>
>In discussions about string-termination noise, I've heard mention of (re-
>hardening duplex surfaces, but have no idea how this is done.
>
>1.) cold hardening with a burnisher, or gentle peening with a hammer?
>
>2.) heating with a torch, arc-welder?
>
>3.) a combination of the above?
>
>To those who have had success, I welcome your advice.
>
>thanks,
>Mark Cramer,
>Brandon University
>