What is the technique of elbow back in elbow back calligraphy?

To learn to hang your elbow, practice hanging your wrist first. Beginners will encounter the problem that their hands will tremble, so they must study hard and persevere. There are two ways: one is to hold the pen tube upside down in your spare time, or take a chopstick, hold it according to the correct writing method, hang your wrist and circle around the table. After a period of practice, your wrist will gradually stabilize.