With the arm slightly adducted, 1–1.5 cun obliquely in the bony cleft and in a posterior direction.
Or with the arm abducted, 0.5–1 cun vertically.
Caution: Shoulder joint
On top of that, it is also able to ease Atrophy Syndrome and arm paralysis after Wind-stroke.
Another function of Jianyu LI-15 is to resolve Phlegm so as to treat nodules and goitre.