The other idea that we had, to actually use a drum kick pedal instead of a sock? Someone did it. Rock Band Drum Pedal Mod.
Best thing about this article: a chance to see inside the pedal and see that, in fact, the sensor is off-center.
Worst thing about this article: once again, a "wouldn't that be kinda cool?" thought I had got turned into reality by someone else and, yeah, it was cool.
