Skated with child in protective gear (7)

I think it could be either:

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4,3

skidlid

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'protective gear' is the definition.
The definition suggests a singular noun which matches the answer.

'skated with child' is the wordplay.
'skated' becomes ''slid' (I've seen this in another clue).
'with' means one lot of letters goes inside another.
'child' becomes 'kid' (synonyms).
'slid' placed around 'kid' is 'SKIDLID'.

'in' acts as a link.

Can you help me to learn more?

(Other definitions for skidlid that I've seen before include "Crash-helmet" , "Crash helmet (slang)" , "protection" .)

I've seen this clue in The Daily Express and The Mirror.

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