'Feet' in the Bible

"Moreover, you also know what Joab the son of Zeruiah did to me when he dealt with the two commanders of the armies of Israel, to Abner son of Ner and to Amasa son of Jether, and he murdered them and put the blood of war in [a time of] peace. He put the blood of war on the leather belt that was on his waist and on the sandals which were on his feet.

"You knew David my father, that he was not able to build a house for the name of Yahweh his God, {in view of the warfare} which surrounded him, until Yahweh placed them under the soles of his feet.

As for you, get up. Go to your house. When your feet enter the city, the child will die.

Then Ben-Hadad sent to him and said, "Thus may the gods do to me and thus may they add if the dust of Samaria is sufficient for the hollow of a hand for all of the people who are at my feet."