Arm Movement inside a slot
[vidwrap type=qq file=https://v.qq.com/x/page/u324332h3pz.html ]

Now you can moves your arm according to the rules of Chen Style taijiquan practical method.
The video clip is from an online Level 5 instructor's private class. Sorry the original video is for people of that group only. 夹在平面-5级教练花絮20210430
Source: https://practicalmethod.com/?p=75350