Tricks for a loose hubcap?

[CowardVenus15]

One of my hubcaps keeps whiffing off. What are some things you’ve tried to keep them secure?

[MsTaboo]

You might try bending the hubcap in a little bit around the edge to tighten the grip.
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Currently:
'90 Syncro Westy 3 knob w/Zetec

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[Nitramrebrab72]

Bending inwards would be my preferred, failing that try some shims out of 1mm sheet steel . Shape them to the profile of the hub caps so they clip over the 4mm bump/round profile edge of the hub caps... 3 shims would be the minimum..