The sort of shopping I like to do is to walk into town (about 10 minutes each way) mooch down my local high street, going into the veg shop, the butcher, the whole food shop, and then maybe the hardware store and the bookshop. All of those shops are currently allowing a very few people in at a time, because they're small shops, and all usually have staff behind perspex shields at the till, so seem safe for all concerned. If face coverings are compulsory, then I'll either have to walk into town and around all those shops with my face covering on, which will be a bit of a pain, or pull it up and down 5 or 6 times during my morning, which will also be a pain (and not very hygienic). So, I'll feel much more inclined to give up on the high street, and get the whole thing over in one supermarket trip instead. So, put me down as a Yes.