Brewery Updates Mitten Brewing outdoor deck opens today! 04/14/2016 Shawn Herron Spring has arrived at Mitten Brewing as today they open their outdoor patio! Finally sit outside and enjoy the Michigan sun. Dogs are welcome too!! Also they are tapping a <meta http-equiv=”refresh” content=”0; URL=/mittenbrewingco/photos/a.328198987218927.72164.180110072027820/1056220327750119/?type=3&amp;theater&amp;_fb_noscript=1″ /> Sour Sahti today.