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Without sounding rude just find bolts / screws to undo. I have cibie super Oscars and they come apart with a single screw at the bottom.

[Tapatalk2 on Nexus7]

If it happens when taking off or slowing down (straight line) then I'd start with radius arm bushes (3 per arm).

Easy to do in the carport with some mates and some tools. As mentioned, safety first.