In a poem Simonides calls the murderous implement the ‘bull-slaying servant of Dionysos,’ a servant who acted in accordance with its master’s wishes. One could go still further, however, and call the god himself ‘double ax,’ ‘Dionysos Pelekys’
Kerényi argues that the double ax is so constitutively linked to Dionysian cult — confirmed by numismatic and literary evidence — that the implement and the god become interchangeable epithets.
, Dionysos: Archetypal Image of Indestructible Life, 1976thesis