Ključne besede: Matt Groom, Testing The Black Diamond Pilot...VLOG, climb, climbing, rock climbing, vlog, travel vlog, belay device, black diamond pilot, assisted breaking, how to belay, climbing training, matt groom, chamonix, fitness, muscles, crag, sport climbing, bouldering, extreme, explore, mountains, epictv, epictv climbing, climbing daily, which belay device, grigri
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