What is this bracket thing for in back window clip set?

[Brads70]

Any idea what the purpose of the bracket thing is for? 

https://www.rosevillemoparts.com/product/back-glass-clip-set-70-e-body/

[anlauto]

Screws on the bottom to support the glass from sliding downward...most people use rubber blocks nowadays 

[krazy931]

Is that not the clips that hold the chrome trim on around the window?

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[krazy931]

Its for the Chrome trim around the window I'd assume

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[Brads70]

Is that not the clips that hold the chrome trim on around the window?

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Yes clips and screws I know what they are for, those 2 bracket things in the picture is what I didn't know their purpose. 

[Jay Bee]

@krazy931  I believe he's asking about the 2 pieces beside the screws. Those are for what Alan said,

[krazy931]

Mine was missing all that when I got my car... not sure about those

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[usraptor]

Screws on the bottom to support the glass from sliding downward...most people use rubber blocks nowadays 

What Alan said.