Basic exercise for the jin system. The upper arm is relaxed (not collapsed) and the lower arm hold the upper one weight, use the jin inside. The two arms are never separated, and the fingers on both hand point to the same direction! (01)
Some more details (02)
Relax the arm and the force go in … (03)
HeJingHan BaguaQuan, Baguazhang Teaching Taipei.
See more videos at Youtube playlists
some materials could be added from HeJingHan book:
Bagua Quan Foundation Training