Just don't let them leave for 30 minutes? For any tournament where it matters, they're being paid as a form of entertainer/athlete. It's not ideal, but it's al

Just don't let them leave for 30 minutes? For any tournament where it matters, they're being paid as a form of entertainer/athlete. It's not ideal, but it's also not unreasonable to put restrictions like that on them. It's already reasonably common to have things like interviews afterwards.