Justin Johnson shredding the blues on a 3-string shovel guitar.
https://www.youtube.com/watch?v=V9-ltPsbw9g
Luthiers - start looking through your garden shed, because these beauties are being sold at the low low price of just $450.
Here's Johnson playing While My Guitar Gently Weeps on an oil can guitar:
https://www.youtube.com/watch?v=A-dmuTEhWdk