Cupping ??This Motion is applied Along with the fingers in a cupping posture, when the hand is brought down on your body it creates a vacuum, so if the hand is taken absent it sucks the blood in direction of the skin which is useful to your skin, peripheral nerve https://maps.google.com/maps?ll=37.462602,126.676819&z=13&t=m&hl=ko&gl=KR&mapclient=embed&cid=5887664770186940949