4 CUN above the navel (Belly Button)
Two Cun above the separation between the biggest and second toes, on the top side of the foot.
The width of two thumbs (Cun) above the most prominent crease on the inner wrist, in line with the middle finger.
The width of one hand (3 Cun) below the bottom of the kneecap and width of one thumb (1 Cun) toward the outside of the leg (direction of the small toe.) In the trough or valley between the most prominent bones of the calf where they come together.