Watch LookMovie. In September 1963, the BBC broadcast a live program showing four climbers, Ian McNaught-Davis, Peter Crew, Barry Ingle, Paul Nunn attempting the ascent of Britain's most formidable overhang Kilnsey Crag, Grassington 'where the tigers sharpen their claws'. The event, commented by Ian McNaught-Davis on the face and Jeremy James at the foot of the climb, was transmitted live through 3 connections over the course of 28th of September. The transmission was part of the BBC program Time Out.