Dave Grohl Invites Fan Up To Play “Monkey Wrench” [VIDEO]

Dave Grohl just doing Dave Grohl things. (Photo Cred: Prphotos.com)   The other night on in Brisbane, Dave Grohl invited a Foo Fighters fan on stage. He then challenged him to play “Monkey Wrench”, and this 22 year-old lookalike did not disappoint.