the brewery crafted a different beer for the last royal wedding also called the windsor knot. >> this is the very last brew we produced of it which can still make the pubs in time. >> this is going to be ready for the day? this is a last-minute brew. >> this is going to be in pubs on the day. you can see it's finished fermenting now. but it smells a bit. and it looks like beer. >> smells good to me. >> reporter: and this brewery is ready. it's brewed around 91,000 pints of special royal wedding beer. and while this isn't quite a royal carriage, some of it is being delivered by shire horse. the horses also make a nod to the couple's roots. rog here is part american cliets dale while major is british shire. local police expect around 100,000 people to pour into windsor for the big event. the pub masters suggest grabbing