Local m&s food hall. An older lady (presumably) grandma - is wheeling around one of the small size metal shopping trolleys. Inside it is a girl about 8 cross-legged (she takes up most of the space obvs) wearing a pair of crocs. The soles of which are filthy (as indeed would be mine). Chatting away and delighted with herself. It was lovely she was enjoying being with her granny. No signs of disability (later saw them in car park).
As they stood beside me I did say “that looks like fun but you do know people put their food in there and you’ve got your shoes in it”. Grandma tutted and said “forget about it” in a slight non-sequitur . But it’s gross right. This was not a baby / toddler seat trolley. Nor was the child any younger than 7 max …