Manufacturers of high-qualitybelay glassesght: 400;">,warm up and recovery equipment,chalk bags,hangboards, and much more. The YY story began when Alex Yang, who in the beginning when belaying his friend, realized that watching the climber can be uncomfortable when his neck started to hurt. Alex wondered why everybody is belaying like that and he asked himself if there isn’t a solution. He heard about some prism glasses, tried them, and found that they can be improved. That’s how everything started.
