tough call though. against someone who knows what they are doing like the chin-na folks, might as well sacrifice the finger(s) and kick the bugger, that is if you could at all. found this reversal which is kinda interesting against a nikkyo. http://www.youtube.com/watch?v=cKrAFjsXqTM&NR=1
of course if you ran into fingers like those of rock climbers, they are pretty tough to deal with.