This massage is typically done with massage oil to reduce friction between the therapist’s hands and your skin. https://645.gg/%EC%8A%A4%EC%9B%A8%EB%94%94%EC%8B%9C-%EC%9E%90%EA%B2%A9%EC%A6%9D-%EB%A7%88%EC%82%AC%EC%A7%80-%EC%82%B0%EC%97%85%EC%9D%84-%EC%84%A0%EB%8F%84%ED%95%98%EB%8A%94-%EC%A0%84%EB%AC%B8%EC%84%B1%EC%9D%84/