मार्जनं यज्ञपात्राणां पाणिना यज्ञकर्मणि । चमसानां ग्रहाणां च शुद्धिः प्रक्षालनेन तु ॥ ११६ ॥
sanskrit
At sacrifices the purification of (the Soma cups called) Kamasas and Grahas, and of (other) sacrificial vessels (takes place) by rubbing (them) with the hand, and (afterwards) rinsing (them with water).
english translation