
Presenter: Chen Zhonghua Length: 1 mins Difficulty: 3/5 Language: English  
Year: 2021 Location: Edmonton, Canada
Lock the middle to move the two ends (like a lever) is manageable. Lock the two ends and move the middle is almost not possible. But we have to do it.
Master Chen shows the theory, method and action of doing so.
The full video can be purchased below:
"Chen Zhonghua Online Lesson 20210908" Online Video Purchase


