Hang on to some chicks (6)

I believe the answer is:

clutch

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'hang on to' is the definition.
(I've seen this before)

I don't understand how the remainder of the clue works.

(Other definitions for clutch that I've seen before include "Grasp; group of eggs" , "Handbag" , "Grip part of the car-engine" , "Number of birds hatched at the same time" , "Brood of chicks" .)

I've seen this clue in The Daily Express.

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