Garudapurana 1.234.34

1.234.34

grāvāṇaḥ sakalaṃ tvaṃ hi sadasyāstvaṃ sadākṣiṇaḥ /
tvaṃ sūrpādistvaṃ ca brahmā musalolūkhale dhruvam //

You indeed are all the press-stones; you are the assembly members; you are the sacrificial gifts;
you are the winnowing basket and the rest; and you are the brahman-priest; surely the pestle and mortar;