Dave Grohl ‘s hand-drawn diagrams for crafting a beer bong and smuggling hash into a concert are both up for charity auction, estimated to rake in over $11,000 for different causes.

A pair of diagrams hand-drawn by Dave Grohl – one showing how to make a beer bong, the other how to smuggle hash into a gig – are up for auction. Read More: Foo Fighters – ‘But Here We Are ...

Dave Grohl wants to enhance your concert experience. When he was at the Sea Hear Now festival in Asbury Park in September, Grohl, the Foo Fighters frontman, created two hand-drawn diagrams — one ...