I am a do-it-yourselfer, not really an over-do-it-yourselfer, get the picture? Anyway, I was wondering from some of you more experienced tinkers- with respect to trigger work on the J frames. I am curious as to- polishing which part would have the most dramatic impact on the trigger pull in the double action mode? I realize they all work in concert. I replaced my mainspring on my Titanium snub and that was dramatic. Now I am interested in gingerly polishing the part that would make the most improvement. Thanks for your time gang.