Bible Verses About Shoes: (Having blood on,) of being engaged in war and slaughter

Thou knowest also what Joab, the son of Sarvia, hath done to me, what he did to the two captains of the army of Israel, to Abner, the son of Ner, and to Amasa, the son of Jether: whom he slew, and shed the blood of war in peace, and put the blood of war on his girdle that was about his loins, and in his shoes that were on his feet.