View this post on Instagram I'm still working on my hopping and rocking skills, with my garage and driveway as my practice turf since we've had a lot of snow and cold here in southern MN lately. Here's a 40-second video clip from last week in my garage when it was about -5 F outside. A post shared by Griff Wigley (@mountainbikegeezer) on Dec 23, 2016 at 10:24am PST