Blows on the feet (5)

I believe the answer is:

socks

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'blows' is the definition.
(I have seen 'Hard blows' mean 'socks' so perhaps 'blows' could also mean 'socks')

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for socks that I've seen before include "Hose" , "Disappointment at Xmas" , "buffets" , "Short hosiery" , "White horse's leg marks" .)

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

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