The Grigri and Neox belay devices can be used to secure a person in lead and second climbing on multi-pitch routes. We'll show you how and what you need to look out for.
When you think of the mountain sports outfitter Petzl, you think of high walls, overhanging bouldering blocks and spectacular mountaineering tours. But the story of Petzl began underground - in caveology. What makes Petzl what it is today?
