Skier Who Pushed Snowboarder Off Chairlift in Aspen To Plead Not Guilty By Insanity On January 17th, Thomas Proesel, 31, pushed snowboarder Seth Beckton off the Loge Peak Lift at Aspen Highlands, Colorado after a comment that Beckton made about skiing vs. snowboarding. Seth fell about 25-feet. Proesel is now pleading insanity so that he will not be charged as guilty. Seth: “to get tits deep pow shots you just need to […] Industry News Keenan Grady | March 29, 2016 1 Comment