Drum Machine T shirt from Think Geek
Think Geek Drum machine - and yeah, it says its washable!.
Video of some dude walking along the street doing hip hop with it. Looks fun, though not exactly inconspicuous!
http://www.youtube.com/watch?v=ZoXUkvA9ge4
More at:
http://thinkgeek.com/ebb1?cpg=yt
