21st Amendment Brewery is a popular brewery and restaurant in San Francisco. They are known for their handcrafted beers and creative flavors. One of their signature beers is the Brew Free! or Die IPA, a hoppy and citrusy beer with a strong malt backbone. They also offer seasonal and limited-edition beers, such as the Watermelon Funk, a wheat beer brewed with watermelon and hibiscus. 21st Amendment Brewery has a lively atmosphere and is a great spot to enjoy good beer and food.