Check out these variants:
Still, although your method uses structure rather than muscular force, it would not work well with the core principles of my lineage in that it opposes force rather than springing and
yielding and using it. When your are are so firmly braced they cannot flex and move freely. And if you have succeeded in crossing your opponent's bridge to the point where you can jab him with your fingers, as Snark said. why not just hit him?
Or you could just annoy your opponent by continuing to poke him with your fingers and hope that he doesn't release stick and hit you. I mean, if you are
already touching him, he may figure you can't hit him as hard as he can hit you with more distance to generate power. This is the reality we sometimes ignore with our chi-sau training.