While talking with my son yesterday, he told me about a client that has trouble getting the masks. He asked if they made coffee and she said, of course. He said try 2 coffee filters with a piece of gauze inside. Just fix a couple rubber bands to it to put over the ears.
My wife is a lifelong retired nurse. I told her and she said, absolutely, beats nothing by a long shot.
New localized startup company, maybe ??