THey should actually charge the fee if you buy at the box office.
"And yes, we implore EVERYBODY to follow the park rules. Having off-ride footage is great, but any still photo's or video's taken ON the coasters at SFMM are strictly against the rules. They are there for your (and everybody's) safety." "Six Flags doesn't allow ANY loose articles on their coasters, and they don't allow video taping on their coasters. " BUT, " This is not true. Six Flags does not allow ANY On-Ride video or pictures on the rides. The ONLY way is if you get explicit permission from Park Management." ???