Board Thread:Spoilers!/@comment-1916997-20160405030041/@comment-1916997-20160406233316

Utter solitude wrote: That assumes they all filmed with him, and he was actually wearing the cap during his scene(s), and didn't find it in the costume department and put it on for a laugh XD

Coonskim caps were worn by hunters, and Native Americans first. It doesn't strike me as anything all that meaningful. It seems to match with the rest of the outfit he is wearing. And I'm guessing they filmed with him, they had to pick up Jekyll from somewhere after all.