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' indicates putting letters inside.
'child' becomes 'kid' (synonyms).
'slid' going around 'kid' is 'SKIDLID'.

'in' is the 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 Mirror and The Daily Express.

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