Choose your tool! (4)

I believe the answer is:

pick

I'm a little stuck... Click here to teach me more about this clue!

'choose' is the definition.
(I know that choose is the is a more specific form of the action of pick.)

I don't understand the rest of the clue.

(Other definitions for pick that I've seen before include "tool for breaking rocks" , "option" , "flower" , "Selection" , "Choice" .)

I've seen this clue in the Sydney Morning Herald.

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