1. Improper folding of hanging cloth: After the hanging cloth is folded, gently press the hanging cloth with your knees to make it overlap with the same thickness and width.
2. Incorrect tying method: Beginners can hang at least 20 kg in one month, and if they exceed 120 kg, they need to master the tying method of yin and yang buckle. In addition, due to improper size of hanging cloth and damp hanging cloth, etc.