Retreating, comply with English soldier securing device (7)

I believe the answer is:

eyebolt

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'device' is the definition.
Both the definition and answer are singular nouns.
Maybe you can see an association between them that I don't see?

'retreating comply with english soldier' is the wordplay.
'retreating' is a reversal indicator.
'comply with' becomes 'obey' (I've seen this before).
'english' becomes 'E' (abbreviation).
'soldier' becomes 'lt' (abbreviation for lieutenant).
'obey'+'e'='obeye'
'obeye' reversed gives 'eyebo'.
'eyebo'+'lt'='EYEBOLT'

'securing' acts as a link.

Can you help me to learn more?

I've seen this clue in The Telegraph.

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