This Jizo statue became known as Kunuki Jizo (lit. Suffering Removal Jizo) due to its supposed ability to remove suffering, but this name went on to become corrupted to Kuginuki Jizo.
この地蔵は苦しみを抜き取るということから苦抜（くぬき）地蔵と呼ばれ、それがなまって釘抜地蔵と呼ばれるようになった。