Guinness draught what is the ball in the can for

All Football. Most read in News. OH JOE! Biden suffers awkward gaffe while paying tribute to Negro League icon during speech. As the beer rushes through the tiny hole, this agitation causes the CO 2 that is dissolved in the beer to form tiny bubbles that rise to the surface of the beer. These bubbles help form the head. Sign up for our Newsletter! Mobile Newsletter banner close. Mobile Newsletter chat close. Mobile Newsletter chat dots.

Mobile Newsletter chat avatar. Mobile Newsletter chat subscribe. Updated: Feb 18, The Guinness Widget. Note the cavity near the center of the ball, the tiny hole is located within the cavity. Draught the British spelling of draft implies a liquid from a cask or a keg. Yet Guinness Draught in cans lines beer store shelves — and has been on shelves since May 23, False advertising? As good as Guinness on tap? The widget wasn't always a success, however.

WIth the first generation of the widget, depending on the temperature, the can was liable to foam over because the nitrogen was overly pressurized. In , the brewery revamped its design and created in a new prototype that it dubbed "The Smoothifier.