The Procedure Regarding Performance of Sr&ddha - Verse 37

After consigning the edibles, cooked food, beverage * and the excellent fruits to the fire, he should face the south and offer the Pinzas. 38. He shall propitiate (them) with oily edibles, sweet scents and juices. With concentration and purity of mind, he should serve them standing (there) with palms joined in reverence. A man devoted to them and full of faith, obtains the desires.