There is no air tight barrier in between my two cheeks, so how am I controlling the air in my mouth and directing it to one specific cheek? The deflated cheek is still floppy, so it’s not like I’m tensing a muscle to stop it inflating.
Also works if I have a mouth full of water, and can also be directed to top and bottom lips.
Thank you.
In: Biology
You’re using your facial musculature to change the effective elasticity of your cheeks. You loosen one cheek while pulling on the other so the pressurized air goes where it’s easiest
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