After my initial surprise that teams have their own bats (presumably they don't have their own balls, though?), F1 was the first thing that came to mind. I don'

After my initial surprise that teams have their own bats (presumably they don't have their own balls, though?), F1 was the first thing that came to mind. I don't follow F1 closely but I understand there is a constant struggle between allowing constructors to innovate (and thus having the constructors' championship in addition to drivers') and keeping the sport both fun and safe.