Sports stars paid to endorse 'magic' wristband
The 'Power Band' - depending on how you look at it, it's either snake oil or a magic device that gives you strength and balance.
It's a small rubber bracelet with a silver disc in it.
You may have seen rugby league star Benji Marshall wearing one - he's one of many top sports people being paid to endorse it.
What is most certainly working is the demand for it.
Promoters claim its selling around the world at a rate of 1.5 million a month.
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