Chapter 1: The function of the Embouchure: How a good one affects one's playing -- Chapter 2: The external embouchure - Lip position development. Building the embouchure separately from the clarinet -- Inserting the mouthpiece -- Angle of mouthpiece insertion -- Blowing through the embouchure -- Cheek puffing -- The "smile" embouchure -- Good posture pledge -- When sitting use the "Sit bones" -- Use the mirror every day -- Chapter 3: Building the muscles of the lips. Testing the evenness of lip pressure -- Equalizing the registers -- Building muscles at the centre of the lips -- preventing mouthpiece wobble -- The left-handed G -- Etude for lip strength: klose 6ths -- The "Marcellus triangle" -- Four exercises to help strengthen the corners of the lips -- Jaw pressure versus lip pressure -- Chapter IV: Building the air support mechanism. The diaphragm and how it works -- Inhalation -- Exhalation -- The importance of deep inhale to clarinet playing -- Controlling the exhale -- Jean Kopperud's 5-3-4-2-1 exercise -- Using the stationary bike or pedal machine -- Chapter V: An introduction to vowel concepts for tonal purity -- Chapter VI: A vowel concept for the lips. The "OO" lip muscles -- Four-step preliminary exercise -- A note for teachers -- Exercise for developing strength of throat tones -- The silent warm-up -- Chapter VII: The internal embouchure. Tongue position development -- The front one-half inch of the tongue -- Maintenance -- Developing one's sense of the tongue position while playing -- The middle of the tongue -- Downward slurls from the altissimo register -- A high position for front and middle of the tongue -- Moving farther back into the mouth -- Arching the tone through the face -- The sinus cavities and nasal passages -- Increasing sonority by relaxing other areas of the face -- Vowel shadings -- The phantom "A" -- Chapter VIII: How a good embouchure affects articulation. Releasing the tongue: say "tu" -- Producing a good short staccato -- The Clarion register undertone -- The right hand thumb is an important part of the embouchure -- Articulation exercise -- Chapter IX: Developing the upper lip. The upper lip tuck -- Lifting the soft palate - the "open throat" -- Taking "Catch breaths" -- Mastering the glissando -- Chapter X: A review of fundamentals set forth in this handbook. Recommended warm-ups -- Appendix. Embouchure photos of Daniel Bonade, Ignatius Gennusa, Robert Marcellus, Ralph McLane, and Ricardo Morales -- Illustrations of the tongue.