> I use a simple solution for the problem of damaged fingers on PC boards, I
> solder on an extension finger board, thus giving a totally fresh set of
> finger pads for the edge connector to grab onto
The simplest way to do this is to get a female solder-tail edge connector
and solder the tails onto the original edge connector and then put a
fingerboard in the female side. If the problem happens again, you have a
disposable edge connector that can simply be replaced (new fingerboard).