Crossword Genius

What you keep with practice or give up? (4,2)

Ross

I believe the answer is:

hand in

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

'give up?' is the definition.
(to hand something in is to surrender it)

'what you keep with practice' is the wordplay.
I cannot really see how this works, but
'with' could be 'and' and 'and' is present in the answer.
The remaining letters 'hin' is a valid word which might be clued in a way I don't understand.
This may be the basis of the clue (or it may be nonsense).

'or' acts as a link.

Can you help me to learn more?

I've seen this clue in The Times.
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