द्वौ दण्डौ वलयः ॥ कZ_१०.६.२१ ॥
dvau daṇḍau valayaḥ
Two daṇḍas (paired staff-columns) constitute the “Valaya” (Ring/Bracelet) formation.
The label indicates a functional intent: creating a protective envelope or enabling a closing movement around an enemy point.