The parents of schoolchildren often get told to buy standard wellingtons for travel in school uniform on wet days.
These will probably all have to be black, which causes a major headache in most junior classes, when kids arrive home wearing two unpaired boots.
When I was five, a parent suggested the clothespeg solution, but this could sometimes result in the forgotten peg problem.
Today’s invention is wellies with left/right sole treads which interdigitate and remain joined as a pair when pressed together (at least until gratefully pulled apart at ‘home time’).
