I'm going to visit sloopjonb and see the Rushcart. I suspect this is actually a Wicker Man scenario in which an innocent outsider is lured to the village as a ritual sacrifice. After all, civilisation ends at Watford.
Also, by an amazing coincidence, this is happening on Sunday. As I'm never usually in the vicinity of Wakefield, it seems too good an opportunity to pass up.
I haven't yet told my hosts that it will mean my leaving the house before 7AM.