Outskirts of Hackney within reach? (5)

I believe the answer is:

handy

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'within reach?' is the definition.
(I've seen this in another clue)

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

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(Other definitions for handy that I've seen before include "Convenient; skilful" , "Close by" , "Useful - competent" , "Near; useful" , "Convenient summary" .)

I've seen this clue in The Sun.

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