Skandapurana 5.223.20

5.223.20

yavo'si yavayāsmaddvetyakṣatāṃstatra nikṣipet ..
caṃdanaṃ gaṃdhapuṣpāṇi dhūpaṃ dadyādyathākramam ..
sapavitreṣu hasteṣu dadyādarghyaṃ samāhitaḥ .. 6.224.20 ..

With "You are barley, separate us [from our sins]...", he should throw unbroken grains there; / he should give sandalwood paste, fragrant flowers, and incense in proper order; / with a concentrated mind, he should offer the water of hospitality into their hands that have purificatory loops.