Electronic Rock Guitar Shirt
ThinkGeek made an electronic rock guitar shirt which is equipped with an actual mini amp. They've cranked the volume to 11 and printed some dirty rock roll images on it. You can easily play on the shirts because each button neck is a major chord. So a non-guitar player can even play some tunes. A cool idea! You can order it here for just $29.99.
The Electronic Rock Guitar Shirt Live!