The pivot point for Tail part 0 is in the middle of the guardian
The pivot point for Tail part 2 is dependent on the position of tail part 1, which is dependent on the position of tail part 0
When in normal position the pivot point for the tail parts are all roughly a guardian spike higher than the top of the tail parts. (see img 1 and 2)

The eyes pivot point is like, a whole guardian higher than the eye (keep in mind that the pivot point is directly above the eye) (see img 3)

They operate properly, however they just need to be lowered.