2 But who are we who are placed in the wine-presses? “Sons of Core.” For this follows: “For the winepresses, to the sons of Core.” The sons of Core has been explained, sons of the bald: as far as those could explain it to us, who know that language, according to their service due to God....
Source: The Enarrations, or Expositions, on the Psalms (New Advent)