When the palm of the hand is placed on the chest, this point is located on the dorsal aspect of the head of the ulna, in a cleft level with and to the radial side of the high point of the styloid process of the ulna.
Needling Method:
Puncture perpendicularly 0.3-0.5 inch. Moxibustion is applicable.
References
Acupuncture
11.Grasping the Wind(First Edition) - Andrew Ellis, Nigel Wiseman, Ken Boss