Crossword Genius

Show one off that’s attached to heel in blizzards? (8)

Ross

I believe the answer is:

snowshoe

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'heel in blizzards?' is the definition.
The definition suggests a singular noun which matches the answer.

'show one off that's attached' is the wordplay.
'off' is an anagram indicator.
'that' becomes 's' (I can't justify this - if you can you should believe this answer much more).
'attached' means one lot of letters go next to another.
'show'+'one'='showone'
'showone' anagrammed gives 'nowshoe'.
'nowshoe' put after 's' is 'SNOWSHOE'.

'to' acts as a link.

Can you help me to learn more?

(Other definitions for snowshoe that I've seen before include "Polar footwear" , "Winter footwear" , "Winter walking attachment" , "Aid to Arctic walking" , "Type of rabbit" .)

I've seen this clue in The Times.
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