The reason usually given for advising folk to wear masks, is to prevent droplets being broadcast to those around.
Not much point in wearing a mask when out and away from people /objects. After all, the government advice is to ventilation to disperse any aerosol particles which might carry the virus.
In my case a mask is very likely to dislodge one or both my hearing aids (Ended up on hands and knees in the entrance to a motorway services area trying to find aid and battery without people falling over me or treading on hands. DD gave me a snood (black) which is what I now wear when needed.
Caused laughter, last time in the bank, by saying "If I'd come in here, looking like this a year ago, I'd be locked up"
COUNTRY, CITY, AREA, PLACE -Game 21