Teton Gravity Research’s “Behind the Line” follows Dash Longe to the steeps of Alaska where he joins Sage Cattabriga-Alosa and Daron Rahlves, learning quickly what it takes to ride high consequence lines with the big boys. Follow the crew to the Northern Chugach in Longe’s feature from TGR’s 2012 film The Dream Factory, showcasing a particular line or session from the video while the riders look back at these insane moments; providing the ultimate insider’s perspective.