When the hand is made into a fist, six of these points lie in the depressions between the metacarpal heads, proximal to the web margins. The remaining two points lie equidistant between the thumb and index metacarpals, proximal to the web margins.
Needling Method:
Perpendicular insertion along the line between the shafts of the metacarpal bones, 0.5 to 1 cun.
References
Acupuncture
11.Grasping the Wind(First Edition) - Andrew Ellis, Nigel Wiseman, Ken Boss