Let's not even START to talk about violin cases. BA makes it clear that you can take one on board IN ADDITION to regular hand luggage allowance when you are flying out of or via the UK, but the number of staff members who simply don't know that and don't want to believe that their valued customer
voracious violinist might actually be right is way too high... Grr

One check-in dragon even tried to grab hold of him to check him in, she was lucky to survive...
I've got to the point now where I "hide" Johannes the violin in his case under a coat on my trolley...