I graduated from the Luke Skywalker academy of softball batting. Bend your knees, close your eyes, and let the force by with you!!
I really like the sound when you turn them on and off. Don't drop them in water though :(
Come on, I mean who WOULDN'T want one? Pruning your hedges or just getting that sticky jar open, it would be useful for SO many applications. Ok, be back; gonna scour the Web for instructions on how to build one.