How to make a purchase with Apple Pay and Apple Watch

[iMore.com]

If you're using an Apple Watch, you're ready to make purchases with Apple Pay at thousands of merchants in the US.
Just like you can already make payments with Apple Pay at physical shopping locations with the iPhone 6 and iPhone 6 Plus, you can do the same with Apple Watch. Once you've added your cards, it's as simple as selecting one and flicking your wrist. Here's how!

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