Plunder:I mean, why do we pay those guys anyway?
Except a body of about four thousand cavalry, well armed, and fit to make a steady impression in battle, the rest of the army were light-armed troops, mounted on small horses, which found subsistence every where, and carried them with rapid and unexpected marches, whether they meant to commit depredations on the peaceable inhabitants, or to attack an armed enemy, or to retreat into their own country. Their whole equipage consisted of a bag of oatmeal, which, as a supply in case of necessity, each soldier carried behind him; together with a light plate of iron, on which he instantly baked the meal into a cake in the open fields. But his chief subsistence was the cattle which he seized; and his cookery was as expeditious as all his other operations. After flaying the animal, he placed the skin, loose and hanging in the form of a bag, upon some stakes; he poured water into it, kindled a fire below, and thus made it serve as a caldron for the boiling of his victuals.
David Hume, History of England, Vol. 1b on the invasion of the Scots in the reign of Edward III. H/t Gutenberg.