You Can Now Buy Stuff With a Ring, if Anyone Believes You

By Anonymous

Consumers are putting ‘wearable’ mobile-payment devices on their fingers, but some befuddled cashiers aren’t buying it

Buying beer at his local shop recently near Melbourne, Australia, Ashley Leahy advanced on the cashier’s desk and made his hand into a fist.

He wanted to pay with the ring on his finger. So, naturally, he held his knuckles up to the shop’s payment-card reader.

The cashier “thought it was some sort of scam,” says Mr. Leahy, 32, who works...