The tie-in used by the wader should be only a chest loop (arms passed through a simple loop across back and neck as shown in Figure 20-2) with tie-in point in front.

 
  • 过溪者的绳圈套入应该只有胸部绳圈而已(手穿过简单的绳圈绕到背颈部,如图20-2所示),连接点在胸前的位置。
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