Chen Youqin middle son of Mr. Chen Qingzhou is applying Chen Family "chan ssu jing" (silk reeling exercise) to show an application of the spinorial "orientation-entanglement relation" described by Oshins as self-referential motion in his postnarrative research on the physics of tao.
The people he applies it to are students of Kenneth Chung (Chung Maanin): Philip Tung and Daniel Azcarate.