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A lightly damp microfiber will make the dust cling to the micro fiver towel so you are not just spreading it around.

It will increase the draw slightly, but there is so little water on the strop...

Here is the footage. Look at the airborne dust at 1.25 in the video, just prior to the test.

Dust is everywhere.

(SARS-CoV-2 Coronavirus Micro-droplets - NHK World report)

I wipe it with a lightly damp clean microfiber every time I use them.

There was an interesting video recently about Japanese scientist who were testing how much mucus was projected by coughing and...