Make fabric so long, but slightly shortened (3)

I believe the answer is:

tat

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'make fabric' is the definition.
The answer and definition can be both human attributes as well as being singular nouns.
Perhaps you can see an association between them that I don't see?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for tat that I've seen before include "Worthless goods" , "What you get for tit" , "Tawdry things" , "Tawdry or shabby articles" , "Tasteless rubbish" .)

I've seen this clue in The Times.

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