Home Yoga while floating on ice fragments ("growlerboarding") bySteve Mann •February 05, 2022 0 Today was a perfect day for "growlering" ("growlerboarding"), i.e. floating along on growlers as if they were stand-up paddleboards...Check out our SwimOP video from today: https://www.youtube.com/watch?v=jgDSr_WeexU Facebook Twitter