श्वो युद्धमिति कृतोपवासः शस्त्रवाहनं चानुशयीत ॥ कZ_१०.३.३४ ॥
śvo yuddhamiti kṛtopavāsaḥ śastravāhanaṃ cānuśayīta
Having observed a fast with the resolve, “Tomorrow is battle,” he should also ritually prepare and place under discipline the weapons and the mount/vehicle.
It functions as a discipline-and-focus mechanism for leadership, while the accompanying instruction ensures practical readiness of arms and transport.