Parallel
1 Samuel 17:40
Brenton's English Septuagint · Berean Standard Bible
And he took his staff in his hand, and he chose for himself five smooth stones out of the brook, and put them in the shepherd's scrip which he had for his store, and his sling was in his hand; and he approached the Philistine.
And David took his staff in his hand, selected five smooth stones from the brook, and put them in the pouch of his shepherd’s bag. And with his sling in hand, he approached the Philistine.