Goofy Automotive Engineering

[roKWiz]

What would be the goofiest piece of over/under engineering you've ever seen in the automotive world ?
And what do you think the purpose of it was for ?

Thoughts ?

Replacing a rubber oil pan gasket yesterday on the Ford Trader got me thinking what a strange idea they had assembling the bottom end.

Ultimately the engine is Mazda built but the original design is Perkins.
The oil pan is attached via the usual bolts threaded into the underside of the lower block (also being 2 piece ??)

Sandwiched between as normal is a rubber gasket but on the outside of the pan is another identical rubber gasket which is bolted with metal strips to the outside.
I can not for the life of me, figure out what the **** this would do and how it could add extra sealing protection for the oil pan.