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What's a "vertical beer"? I know wine verticals are consecutive year vintage of the same grapes but the beer version has me baffled. ;-)
It's not Vertical Beer it's Vertical Beer Mile..in this case you chug a beer , cross a creek, climb a mountain and at each quarter mile you drink another beer until you've completed a mile. It would be interesting if you'd put on a similar challenge cycling :)
The higher speeds would probably make it rather sketchy.