Just one infamous tactic was the "Satan‘s Paintbrush", a approach to strolling the fire of a machine gun backwards and forwards alongside a line of advancing troops. Canadian Captain John Coray Henry‘s Vickers gun group utilised this technique to consistently protect their position, raking countless German attackers with constant fireplace. https://machguns.com/product/lot-1460-military-armament-corporation-m10a1-smg-silencer-class-iii-nfa/