If you experience any of the following, switch or add straws to get a bigger diameter.

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• Squeezing in the throat

• Unnecessary tension or strain

• Inability to reach high notes

• Head pressure

• When recoving from a cold

• After a heavy voice demand (long day of speaking or singing)

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(Note: Try using the bigger straw or using both small straws at the same time.)

If you feel the following, switch to a straw with a smaller diameter:

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• It feels easy

• You are running out of air

• Too much breath is flowing through the straw

• You don't feel the back pressure in your throat

• You don't feel the openness in your throat

If any of the following apply to you, you may need to interchange straw sizes more frequently:

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• The voice is tired

• Menstruation

• Change in medication

• Lack of sleep

• Allergies

• Post surgery

• When rehabing vocal injury

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(Note: When you are expanding your vocal range, you may need to add a second straw the higher you go.)