In March of 2012, Teton Gravity Research filmed a segment for The Dream Factory on the most challenging in-bounds run in the United States -- the infamous Corbet's Couloir at Jackson Hole Mountain Resort. On a bluebird day, the TGR crew put together what may be the heaviest session to have ever gone down on this run riddled with history. John Spriggs kicks off the session with a giant back flip, Griffin Post sends the West Wall, 13-year-old Daniel Tisi airs it bigger than most grown men ever have, Matt Phillipi spins a giant 360, Max Hammer throws a huge switch 180 and local Jeff Ledger doe...