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It does look a bit weird, also the way it perfectly fits on the part where the bars get thinner. Is it equally thin on all sides, no way of 'attacking' it anywhere? Considering the bars aren't new and scratch-free anyway, maybe take a very thin sharp pointed blade and see if there's any way of lifting it? That'd be what I'd try, anyway, but I'm also usually a bit ruthless when it comes to these things...
I think you could be right - must be incredibly thin - couldn't peel it off even if I wanted too