I tried that once...
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1248289666
Detected tilt... very "iffy" if you know what I mean... I always planned to add some bend sensors to the index and thumb fingers on the glove, but never got around to it. Either way, the thing wasn't magnificent (also, I couldn't figure out how to keep the x tilt and y tilt separate - I recall it had something to do with Euler angles - Wikipedia but never figured it out.