Lift your face toward the ceiling, 
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lengthening your neck. 
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Open and close your jaw several
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times, stretching the skin on the
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front of your throat. 
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Bring your chin in toward your
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throat and tip your head forward. 
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Keep your back flat and lift your
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chest toward your chin as you
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inhale, then drop your chin toward 
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your chest as you exhale.