Crossword Genius

It controls the waves though the rain is wild (7)


I believe the answer is:


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'it controls the waves' is the definition.
The definition suggests a singular noun which matches the answer.

'the rain is wild' is the wordplay.
'is wild' indicates anagramming the letters.
'therain' is an anagram of 'HAIRNET'.

'though' acts as a link.

Can you help me to learn more?

(Other definitions for hairnet that I've seen before include "It keeps locks in place" , "In heart (anag)" , "It protects locks" , "The rain (anag) - used after shampooing?" , "keeper of locks" .)

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