Some guys may tend to hold them up (5)

I believe the answer is:

tents

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'some guys' is the definition.
The answer and definition can be both man-made objects as well as being plural nouns.
Perhaps you can see a link 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 tents that I've seen before include "Temporary shelters" , "Accommodation" , "Portable shelters" , "Canvas shelters" .)

I've seen this clue in the Evening Standard.

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