Emma Stone Has a Prothsetic Arm

WTF is that blue thing on Emma Stone‘s arm?  Doesn’t it look like she has an artificial limb or something?  Maybe it’s protection for all those simulated sex scenes she’s been doing:

“Simulation of sex is a real workout. We must have done a hundred takes,” she tells the magazine.” There was an oxygen tank at one point. It took two days. Simulated sex is really fun, but it’s not easy.” – read more

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