Splash Country, a water park attached to Dollywood in Knoxville, Tennessee, is offering punters the chance to carry "Sunny Money" in the form of RFID-equipped wristbands as tickets and wallets.

It's basically a form of pre-payment voucher. Punters can load up their wristbands with cash then spend it at various snack and souvenir standards, as well as shops and restaurants within the Dolly Parton-owned park.

The great thing, for the park, is that swimming costumes aren't ideal for carrying cash or credit cards, so ensuring that punters always have money available is the first stage in getting them to part with it.

The bands also work as tickets to the park itself, as well as passes to the various slides and rides.

All this is great testing for proximity payment systems, hopefully enabling lessons to be learnt before London starts it's much less controlled trials next month.

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