The Test for Eligibity of a Brahmana - Verse 26-27

The same purificatory rite should be followed in the case of sexual intercourse. Clay is to be applied nine times. After washing hands with clay (and water) , a person shall perform the purificatory rite. After washing the hands with water and taking bath, a sensible man shall apply clay to the private parts twice. castes for ever. One should smear hands and feet three times and sprinkle them with water.