Śatapatha Brāhmaṇa ("of a hundred paths") 3.4.1.6

3.4.1.6

sa vai saṃtvaramāṇa iva gṛhṇīyāt | tathā hāpacito bhavati tatpatnyanvārabhate paryuhyamāṇaṃ vai yajamāno 'nvārabhate 'thātra patnyubhayata evaitanmithunenānvārabhete yatra vā arhannāgacati sarvagṛhyā iva vai tatra ceṣṭanti tathā hāpacito bhavati

Let him take it out with all speed, for thus he (Soma) is honoured. The housewife holds on to it from behind; for the sacrificer holds on to him (Soma), while he is driven around, and here his wife does so. Thus they enclose him on the two sides by a (married) couple: and, indeed, wherever a worthy person comes, there all the inmates of the house bestir themselves, for thus he is honoured.