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.
I tilled the field soil using a claw hoe.
炭鉱では、雁爪で石炭をかき集める作業があった。
In the coal mine, there was work of raking coal together with a coal-trimming rake.