Job well done, IMHO. Now I want to get into boat tails, You're inspiring me!
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However, I already drive a "Land Yacht" As it is without a boat tail. Adding a proper boat tail would make it take up two parking spaces!
(That's not my car in the pic but it's the same general model)
Perhaps I could find a way to make a collapsible boat-tail if I keep the Caprice Classic.