The Ephod for the High Priest: Worn or Held by Him when Consulted
Source: TTT
1 Samuel 23:6
(Now Abiathar son of Ahimelech had brought the ephod with him when he fled to David at Keilah.)
1 Samuel 30:7, 8
Then David said to Abiathar the priest, the son of Ahimelech, “Bring me the ephod.” So Abiathar brought it to him, / and David inquired of the LORD: “Should I pursue these raiders? Will I overtake them?” “Pursue them,” the LORD replied, “for you will surely overtake them and rescue the captives.”