Interview: Seb Bouin on His 430-foot Cave Route and the Future of Endurance Climbing

"If you knew nothing about the crag, you'd look at the line from the ground and be like 'Wow. No. That's totally crazy. I will never be able to do that.' But when I knew the crag and the style and the kneebars and how to take down the rope, I was like 'Yeah, it's possible.' "