claw hoe; coal-trimming rake
A farming or mining tool with curved tines resembling a goose's claws. The term is specialized and may not be widely known outside relevant fields.
雁爪を使って畑の土を耕した。
I tilled the field soil using a claw hoe.
炭鉱では、雁爪で
In the coal mine, there was work of raking coal together with a coal-trimming rake.
Compound of 雁 (gan, 'wild goose') and 爪 (tsume, 'claw'), referring to the tool's curved, claw-like shape. The reading づめ is a rendaku form of つめ.