Couple sit weaving medicinal wraps (9)

I believe the answer is:

poultices

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'medicinal wraps' is the definition.
The answer and definition can be both man-made objects as well as being plural nouns.
Perhaps there's an association between them I don't understand?

'couple sit weaving' is the wordplay.
'weaving' is an anagram indicator (letters weaved together differently).
'couple'+'sit'='couplesit'
'couplesit' is an anagram of 'POULTICES'.

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I've seen this clue in The Irish Times.

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