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89.3 KPCCOff-Ramp | Are robot underpants the next big fitness craze? | 89.3 ...89.3 KPCCIf you've ever seen a late-night infomercial for some new fitness program, or a product that'll give you six-pack abs in six weeks, or even driven past a parking lot where people are pulling tires and heaving weighted balls at each other, you may have ...