Acceleration Sensing Glove (virtual keyboard)

This glove was designed to demonstrate that accelerometers can be used to
decipher and translate hand gestures into computer interepreted symbols. 
Some potential applications for the Acceleration Sensing Glove are: American
Sign Language Alphabet interpreter, a wireless wearable mouse pointing
device, a wireless wearable keyboard, hand motion and gesture recognition
tools, virtual musical instruments, computer sporting games, and work
training in a simulated environment.  

http://www-bsac.eecs.berkeley.edu/~shollar/fingeracc/fingeracc.html