123Movies. Self Rescue for Climbers DVD is a comprehensive guide to problem solving in climbing situations, it is aimed at the problems recreational climbers may encounter whether climbing on multi-pitch sea cliffs, mountain routes or road-side crags. Chapters include: good belay practice simple hoists escaping the system abseil safety prusiking and equipment testing also included is a staged Holyhead cliff rescue and a DMM factory visit - the DVD was filmed on location in Malham, Gogarth, Tremadog and the Llanberis Pass.