[Mash gasps. Well, that's. Definitely not what she was expecting. She didn't know what she was expecting, really, but it certainly wasn't a floating horse skull in a sheet.]

Mari Lwyd... [Let's consult Mashipedia!] That's a tradition in Wales, if I remember correctly. Normally it's carried by a person, but... [There don't appear to be any human feet sticking out the bottom.] ...that doesn't seem to be the case here. How fascinating.

I wonder if it's still here to wassail?