Punk, how does B:TR (any of them) hurt your legs more than Mantis? B:TR's are inverted, Mantis is a standup, how can you make a comparison to the two? Just curious, because I do not find inverted coasters to be painful on the legs at all, at least not the way standups can be.
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So you want a coaster in your backyard? I hope you have a big backyard.