Proudly crafted. Premium ready to drink prepared. Crafted to remove gluten. Cayman Jack is fermented from grains that contain gluten and crafted to remove gluten. The gluten content cannot be verified and this product may contain gluten. For more information on how Cayman Jack is crafted to remove gluten go to caymanjack.com. The Legend of Cayman Jack. They say he walked away from a run-in with a 10-foot black Cayman. They say a lot about Cayman Jack - but of all the rumors, one was true. Cayman Jack sure could fix a drink. His rivershack bar was hard to find and even harder to leave. Nobody quite knew how he did it, but everyone knew that Cayman Jack mixed the perfect drink every time.