Press and knead with the pad of the middle finger on the point ST-18 (Rugen), located directly below the nipple, in the fifth intercostal space. Press and knead the point 30-50 times. Then, starting from the region below the collar bone, press and knead with fairly hard force every intercostal space from its midline to the sides and from top to bottom till there is a mild sensation of soreness and distention.