facelift rear plastic wiper arm

anyone ever modified the horrible plastic arm for the normal metal one?

I'm getting aero flat wipers for the front and would prefer to have the same on the back, but the fitting on the plastic arm is completely different to the usual clip that you get on traditional wiper arms so i'm stuck with getting the plastic wiper that goes with it. Plus, the plastic rear wiper costs more than both front ones put together, and it seems to wear more quickly.
 
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