“We’ll spare you a cruel April Fool’s prank today—but how about a great illo by MICHAEL BYERS for 5280 Magazine about the tale of a legendary April Fool’s joke turned Mile-High mainstay instead? If you consider yourself a beer person, then you’ve probably at least heard of the Rocky Mountain Oyster Stout from @wynkoopbrew. But do you know the inside joke behind its creation? What started years ago as a gag advertisement for a beer infused with bull testicles somehow became a reality—and now one of Denver’s most notorious pours. Check out the link above to see how the nutty brew came to be.”