A fart-collecting backpack for cows? http://t.co/9Si67m81h7 pic.twitter.com/fNrSPR1lD4
— inhabitat (@inhabitat) July 3, 2014
A fart-collecting backpack for cows? http://t.co/9Si67m81h7 pic.twitter.com/fNrSPR1lD4
— inhabitat (@inhabitat) July 3, 2014