Making grooves in material, using blades (9)

I believe the answer is:

furrowing

'making grooves in' is the definition.
(as in furrowing one's brow)

'material using blades' is the wordplay.
'material' becomes 'fur' (type of material).
'using blades' becomes 'rowing' (rowing with oars or blades).
'fur'+'rowing'='FURROWING'

I've seen this clue in The Guardian.

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