Are there any adjustment that can be made on the inside rear view mirror in order to tighten it or do you have to buy new ones. Mine has lost its firmness and is starting to flop around.

Car is a '92 W124.

Thanks in advance.

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Norm K.
'97 E420 Sport
'06 E350 Sedan
'67 Mustang Coupe
'70 F-250
'15 VW Jetta