This product image released by Doggy Beer Bones Company shows dog treats made from spent brewing gain. The craft beer industry is getting crafty about how to use the spent grain and hops left after brewing, turning them into everything from bread, soil for mushrooms, even lip balm. (AP Photo/Doggy Beer Bones Company)
Read: Brewers Get Crafty with Spent Grain 
The craft beer industry is getting crafty on ways to get rid of the grain and hops left after brewing, turning the byproducts and beer itself into everything from bread and dog treats to lip balm and soap. Just one six-pack can produce a pound of leftover grain.