(Now Abiathar son of Ahimelech had brought the ephod with him when he fled to David at Keilah.)
Now we find why the prophet Gad (by divine direction, no doubt) ordered David to go into the land of Judah, Sa1 22:5. It was that, since Saul neglected the public safety, he might take care of it, notwithstanding the ill treatment that was given him; for he must render good for evil, and therein be a type of him who not only ventured his...
Commenting on 1 Samuel 23:1-6
And it came to pass, when Abiathar the son of Ahimelech fled to David to Keilah,.... Either when he was there, or near the place: that he came down with an ephod in his hand; not with a linen ephod on his back, which the priests in common wore, but the ephod with the Urim and Thummim in his hand, which was peculiar to the...
an ephod--in which was the Urim and Thummim (Exo 28:30). It had, probably, been committed to his care, while Ahimelech and the other priests repaired to Gibeah, in obedience to the summons of Saul.