Bridge Seating (was Re: Where to notch a bridge, & relative effects ????? (Advice sought)

[Ron Nossaman]

> Crushing the edge of the notch by either tapping down on the bridge too hard
> or because the cap is too soft to begin with will create a bridge cap that
> is not flat and dips down and away from the pin.  Combine that with
> expansion and contraction of the bridge cap and the pressing of the string
> between the pin and cap during expansion periods and the shrinking of the
> cap during contraction periods will cause the string to unseat.  

Clarification: The string is still firmly seated on the cap 
everywhere but where it doesn't touch the crushed notch edge.

>Pushing the
> string down may temporarily seat the string back on the bridge.  However,
> with the edge crushed it is not likely to stay there and pushing down with
> your thumbnail is just as effective as tapping it down.  The difference is
> that you can exacerbate the problem by tapping too hard.  You are not likely
> to do that with a gentle massage.  Either way, the string will not stay
> there for very long and more vigorous tapping will not help.    
> 
> David Love

Correct, thank you.
Ron N