Now that more people are wearing masks again, there's a rise in the number of people in venues like shops and public transport wearing their masks under their chin. If anyone round here does it, or knows people who do, can you explain the thinking behind it? If you do it because you don't approve of having to wear one, wouldn't it be easier just to leave it off? I struggle to understand the point of taking the trouble to put one on only to put it under your chin, or under your nose.