Nits, present and future, start to ruin kitchen implement (9)

I believe the answer is:

eggslicer

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'nits present and future start to ruin kitchen' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'implement' is the wordplay.
I cannot quite understand how this works, but
'implement' could be 'slicer' (slicer is a kind of implement) and 'slicer' is found in the answer.
The remaining letters 'egg' 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 Independent.

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