Śatapatha Brāhmaṇa ("of a hundred paths") 3.6.3.10

3.6.3.10

ādadate grāvṇaḥ | droṇakalaśaṃ vāyavyānīdhmaṃ kārṣmaryamayānparidhīnāśvavālam prastaramaikṣavyau vidhṛtī tadbarhirupasaṃnaddham bhavati vapāśrapaṇyau raśane araṇī adhimanthanaḥ śakalo vṛṣaṇau tatsamādāya prāñca āyanti sa eṣa ūrdhvo yajña eti

They take the pressing-stones, the Soma-trough (drona-kalasa); Vâyu's cups, the (twenty pieces of) fire-wood, the enclosing-sticks of kârshmarya wood (Gmelina Arborea), one prastara of asvavâla grass, and the two Vidhritis of sugarcane; that barhis (which was used before) is tied up therewith. Further, the two spits for (roasting) the omenta, the two ropes (for binding the stake and victims), the two churning-sticks (for producing fire), the adhimanthana chip, and the two vrishana,--having taken up all these they go forward (to the Âgnîdhra): thus the sacrifice goes upwards.