As the saying goes: martial arts need to break through the realm, then need to close. From ancient times to modern times, many Wulin elders, such as Zhang Sanfeng, have realized Taijijian and Taijiquan as soon as they left the pass through the closed door practice. It is said that the founder of Dharma has been facing the wall for nine years and has learned the way through the practice.

closing can cultivate internal skill, which can greatly improve people's internal / external skill attack power. Internal skill plays an important role in the battle. The application of internal skill in the battle between master and master is the key...