necessary martial arts training equipment, originating in the Tang Dynasty. The ancients examined the martial arts, paying attention to "bow, knife, stone, horse, step, arrow", among which "stone" is stone holder and stone lock.
basic exercises. Later, it spread to the public and gradually evolved into a traditional competitive sport that combines strength, skills and fitness. The movement of the
lane, the people of the 60s and 70s of last century regarded it as a project of self-improvement, self-improvement and entertainment. From 50s to 70s of last century, there were a lot of people who used to carry stone and stone locks in Ji'nan.