1．先在线脑端点处打一个结，再用连接钓竿一端约20厘米长的钓线，返折后打一个结，形成一较大线环，再于线环的端点处打一个小结，留一个很小的线环尾（图1）。2．将较大线环绕成（图2）形，再用右手拇指、食指捏住O点，再把线环1、线环2向内自相对方向旋转各270°（如图箭头 1. At the end of the first line of the brain to play a knot, and then connect the end of the fishing rod about 20 cm long fishing line, hit back after a knot to form a larger wire loop, and then at the end of the wire ring to make a summary, leaving a very Small wire ring tail (Figure 1). 2. (Figure 2) shape, and then use the right thumb, index finger pinch the O point, then the wire ring 1, ring 2 inward from the relative rotation of the respective 270 ° (arrow