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。