By Contributing Reporter

RIO DE JANEIRO, BRAZIL - Amazon is now selling the Pavlok bracelet that promises to help you sort your life out, whether your issue is spending too much time on the internet, biting your nails or oversleeping.

Every time you step out of line, the strap will give you a 350-volt electric shock, to provide you with a gentle reminder.

And to give you a bit more of an incentive to be good, your mates can even download an app which means they can give you a buzz if they catch you eating an extra slice of . . .

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