If you like what you hear, build one. It will take practice to play as well as Justin Johnson does, but even a rank beginner can make good music with a diddley bow. (Watch Justin play a full song at the 16:00 minute mark). (Thanks, Kent!)

http://feeds.boingboing.net/~r/boingboing/iBag/~3/KAXoxTzhETE/how-to-build-a-1-string-cigar.html