Keeping your beer cold for more than a few minutes during the dog days of summer at a baseball game isn't easy. That is, unless you have frozen beer foam atop your beverage -- such as what you can get at a Dodgers game. Check this out:
That's from foodbeast.com, where they also reviewed the frozen beer foam. They confirmed that it kept their 16-ounce beers cold for a half hour, which is pretty impressive in 80-degree weather and those plastic cups. It runs for $10, but in a ballpark these days that's not overly daunting.