Blue John Canyon

Blue John Canyon is where Ralston is trapped for six days before amputating his arm.

The Chockstone

The chockstone is a boulder that dislodges underfoot as Ralston makes his way through the canyon. It strikes his left hand and then pins his right hand against the canyon wall.

The CamelBak

CamelBak is the brand name of a product used to hold water and backpacks. Ralston uses his water reservoir to hold water and urine and to protect his stump post-amputation.

Video Camera and Digital Camera

Ralston carries a video camera and a digital camera on many of his excursions, including the one into Blue John Canyon. He uses this equipment to document his ordeal, recording messages to his family and taking photos before and after the amputation.

Multi-Tool

The multi-tool contains the knife that Ralston uses to chip away at the chockstone and amputate his...