金かな槌づち頭あたまかなづちあたまじ字FuriganaMeanings1nounhard-headed; stubbornDescribes a person who is obstinate and refuses to change their mind; literally 'hammer head'. Often used in a critical or exasperated tone.彼かれは金かな槌づち頭あたまで、人ひとの意い見