There's a coaster at Kings Island in Cincinnati that is much like RnR. It's inside, is launched at the beginning in the same way and it goes upside down. Originally it also had over the shoulder restraints. I remember my head banging around A LOT. I never got off that coaster without a headache, no matter what seat I sat in. Then, a few years back, they replaced the restraints with a new kind of lap bar system, except it isn't just a bar, it's a whole big plastic form fitting restraint that comes up to your chest and holds you down quite firmly. Now, it's one of the best coasters at that park. No headaches anymore because there's no restraint next to your head for it to bang on. I really think Disney should do the same thing with RnR and replace those over the shoulder restraints.
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