1 notorious tactic was the "Devil‘s Paintbrush", a method of walking the fire of a machine gun back and forth along a line of advancing troops. Canadian Captain John Coray Henry‘s Vickers gun team utilized this process to consistently protect their posture, raking numerous German attackers with continuous fireplace. By https://machguns.com/product/lot-1442-hr-model-50-reising-class-iii-nfa-cr-fully-transferable/