Can someone point me to the best Twitter thread on "Do masks work?"
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You chin has the best seal (straps pull up towards ears and tight around the jaw. The weak point is around the nose were there is shape conturing, but not direct pressure to hold it and the ears also weaken the fit. The 'jets' are mostly up towards the eyes.
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Don't my nostrils already do this? I say this in jest....kind of. :)
Thanks. Twitter will use this to make your timeline better. UndoUndo
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