Insert the blunt end of a thin soft rubber catheter horizontally into the right nostril. Gently push it along the floor of the nose until the tip is felt in the back of the throat. Insert the right index and the middle finger through the mouth arid catch the tip of the catheter at the back of the throat. Pull it out through the mouth and gently massage the nasal passage by catching the two ends of the tube. Remove the catheter through the nose. Repeat on the left side.
Clear the nose and pharynx. Tremendous will power increases in process of catheter insertion. Desensitizes to dust pollution etc. in nasal allergy patients.