The second brings her the thyrsos which she, having been beaten and initiated, will bear. The third, nude, holding cymbals over her head and striking them, summons an invisible band to the dance.
Kerényi identifies the thyrsos as the ritual object presented to the initiate upon completion of the mystery beating, marking her formal admission into the Dionysian community.
, Dionysos: Archetypal Image of Indestructible Life, 1976thesis