Yes, that's a really good point, isn't it? With a single buckle you can just undo it and chuck the long end back over the bonnet without worrying, but with a double buckle there's going to be a big lump of brass halfway along it just waiting to chip the paintwork.

Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE