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Results 1 - 4 of 4 for Deep philtrum
  1. ... the numbered scale. Stand up straight. Take a deep breath. Fill your lungs all the way. Hold your breath while you place the mouthpiece in your mouth, between your teeth. Close your lips around it. Do not put your tongue inside ...
  2. ... the numbered scale. Stand up straight. Take a deep breath. Fill your lungs all the way. Hold your breath while you place the mouthpiece in your mouth, between your teeth. Close your lips around it. Do not put your tongue inside ...
  3. ... straight with your head up, and take a deep breath. Fill your lungs all the way. (Standing helps you get more air in your lungs.)
  4. ... the spacer in your mouth, and close your lips firmly around the mouthpiece.