Now it happened, when Abiathar the son of Ahimelech fled to David at Keilah, that he went down with an ephod in his hand.
1 Samuel 23:6
Surrounding context
23:5 And David and his men went to Keilah and fought with the Philistines, struck them with a mighty blow, and took away their livestock. So David saved the inhabitants of Keilah.
23:6 Now it happened, when Abiathar the son of Ahimelech fled to David at Keilah, that he went down with an ephod in his hand.
23:7 And Saul was told that David had gone to Keilah. So Saul said, "God has delivered him into my hand, for he has shut himself in by entering a town that has gates and bars."