Crossword Genius

Ceasing communication and destroying entire neckwear collection? (8,3,4)

Ross

I believe the answer is:

severing all ties

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

'ceasing communication and destroying' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'entire neckwear collection?' is the wordplay.
I cannot really see how this works, but
'entire' could be 'all' (I've seen this in other clues) and 'all' is located in the answer.
'neckwear' could be 'ties' (I've seen this in another clue) and 'ties' is found within the answer.
The remaining letters 'severing' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

Can you help me to learn more?

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