He enlists a cute assistant, and uses liberal amounts of duct tape. (The duct tape is on the jacket, not the lamb!)
His brother gave him a hand with the required lamb-wrangling.
Henrietta could not figure out what the boys were up to with her baby.
Amazingly enough, the lamb remained posed, with the sign in perfect readable position, while the girlfiriend walked up to the paddock.
She said yes, on the condition that he doesn't wear a camo tux.