[VIDEO] Parkin Costain Attempts Untouchable Alaskan Spine | There’s a Reason No One Had Skied This LineโUntil Now Parkin Costain has evolved from an up-and-comer to a heavy hitter in the last few years, writes Teton Gravity Research. Heโs had his eyes on the Monospine since he was 17, but after a few legends backed down from the 2,000-foot monster, it seemed like the dream line was untouchable. That is until Parkin stepped up while filming for Beyond […] SnowBrains | October 10, 2024 0 Comments