Rattles, horns and whistles were being also adopted as implies of warning troops and offering them time to put on protective equipment for the duration of gasoline attacks. All the more vital tactically have been “SOS barrages”, fired in reaction to flares despatched up by infantry struggling with enemy counterattacks. https://machguns.com/product/american-180-tuned-by-val-cooper-excellent-w-extras-b01033/