Loop line soon turns East (5)

I believe the answer is:

noose

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'loop line' is the definition.
'noose' can be an answer for 'line' (noose is a kind of line). I'm unsure of the 'loop' bit.

'soon turns east' is the wordplay.
'turns' says the letters should be written backwards.
'east' becomes 'e' (abbreviation).
'soon' reversed gives 'noos'.
'noos'+'e'='NOOSE'

Can you help me to learn more?

(Other definitions for noose that I've seen before include "Hangman's halter" , "Loop for catching animals" , "Snare made of rope" , "Sliding loop in a lasso (5)" , "A loop for the hangman" .)

I've seen this clue in The Globe and Mail.

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