2019年意大利实用拳法讲座上讲橡皮筋的使用。橡皮筋主要用来练习实用拳法的身体部位用劲方法，主要练肘、肩、胯和中心轴。

The use of rubber cords for Practical Method training at the 2019 Italian Practical Method Seminar on March 31, 2019. The use of the rubber cord is mainly for the training of the elbow, kua and central axis.