It uses ultrasonic technology to create nitrogen bubbles ... As an Irish person, I've always believed you can't beat a proper pint of Guinness in the Emerald Isle, it just doesn't travel well.

I stick a load of Guinness Nitro in there,” Sheamus said. “You can’t get it in the States, just the regular cans.” Sheamus said he was once flagged at the airport for the contents of his ...