Joshua 5:3 in the King James Version
And Joshua made him sharp knives, and circumcised the children of Israel at the hill of the foreskins.
Context
2 At that time, the LORD said to Joshua, “Make flint knives, and circumcise again the sons of Israel the second time.”
3 Joshua made himself flint knives, and circumcised the sons of Israel at the hill of the foreskins.
4 This is the reason Joshua circumcised them: all the people who came out of Egypt, who were males, even all the men of war, died in the wilderness along the way, after they came out of Egypt.