Garudapurana 1.18.12

1.18.12

arghyapātrārcanaṃ cādāvastreṇaiva tu tāḍanam /
śodhanaṃ kavacenaiva amṛtīkaraṇaṃ tataḥ //

At first, worship of the arghya-vessel, striking it with the astra-mantra, / purification with the kavaca-mantra, and then nectarisation;