He said: "I came up with the idea to attach an ice axe to one of my prosthetics, so I kind of challenged the guys at Headley Court to see how we could get this done."
Van Gass bought a regular ice axe and staff at the centre sawed off the double-sided head, then welded and bolted it to a specially adapted prosthetic made of carbon fibre and plastic.
Link -via Gizmodo | Photo: David Cheskin/Press Association