The belayer should keep the rope locked off in the belay device whenever the climber is not moving .
The belayer usually puts the rope through a belay device , which lets the rope move through the device in one direction -LRB- as the climber being belayed goes up -RRB- .
The belayer usually puts the rope through a belay device , which lets the rope move through the device in one direction -LRB- as the climber being belayed goes up -RRB- .
このテキストを簡略化してください: The belayer should keep the rope locked off in the belay device whenever the climber is not moving . 出力: