Researchers Say Adding a Nylon Pantyhose Layer to Your Cloth Mask Could Make it Work Better | KQED
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Elisabeth Bik on Twitter: "Adding A Nylon Stocking Layer Could Boost Protection From Cloth Masks, Study Finds "Adding a layer that keeps the mask tight to the face is going to improve
Cloth Face Masks Could Get A Boost From A Nylon Stocking Layer, Study Finds : Goats and Soda : NPR
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