Ashley speaks with fellow Outward Bound instructors Matt Olsen and Ty Guarino, who survived a serious rappelling and rockfall accident during an attempt on the famous Grand Traverse of the Tetons. Hear about their impressive self-rescue and the lessons they learned.

The Sharp End is produced each month by Accidents in North American Climbing, an annual publication of the American Alpine Club, and is presented by Mammut, with additional support from Vertical Medicine Resources and Colorado Outward Bound School.