If a Spartan soldier dropped his shield in battle he would be executed. Why? Because the shield protects the line; when the soldiers raise their shields in a shoulder-to-shoulder formation the line becomes impregnable. One shield down, vulnerable, breached line, defeat.

If he dropped or lost his helmet or breastplate, he would only be punished. Their purpose was to protect him.

Have some, volunteer here for first responders and medical volunteer

My wife's brother is a career bachelor snowbird who is very aware of the international news.
Back near the end of Feb. he sent my wife and me each masks with removable filters and a UV chamber for disinfecting breadbox size items.
The masks are not cloth but we wear them whenever we go in public. They are rated 95% plus and when we leave the house and they are easy to wear comfortably and correctly.

Back in the day people used to look at us a little funny and sometimes asked -- but those days are over.

I'm so lucky to have a friend that gave me a mask very similar to what you produce. I wore it and washed it every day. I used it until another friend gave me one her doctor recommended because she has a kidney issue. I don't know what we would do without good friends in this world.