A lot of people was/is sewing them at home. My wife (data scientist in a normal life) made some for our family incl. grandparents and also for some neighbours.

A lot of people was/is sewing them at home. My wife (data scientist in a normal life) made some for our family incl. grandparents and also for some neighbours. A link from a local "Etsy" [1]. The government even made an exception so the sewing supplies shops could open. [1]: https://www.fler.cz/zbozi/oboustranna-rouska-11339514 https://www.fler.cz/zbozi/oboustranna-rouska-11339514