capo-hardening?

[Fred Sturm]

Mark,
	You'll find some discussion in the caut archives
<http://www.ptg.org/archive/caut.php/> around 3/1/99.
Regards,
Fred Sturm
University of New Mexico

Mark Cramer 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