This is what was at the center of the footwell ball of clay (mr footwell). At first it just looked like a bit of iron slag. But after going in the tank it now looks like a horse head on a stick of some kind, again someone has to look at this. The slit in the top where the ear would be initially looks like a split in the iron but careful examination shows the metalwork on the flake away from the main body of the head is a different metal on the inside of the split. Its is definitely a personal weapon of some sort according to the sticks.
Image of ear split featuring different metal
Item needs xray to determine how fixed – probably to metal handle at bottom back