According to German firefighting magazine Feuer Wehr ... It consists of the addition to the ordinary helmet of a circular rose which sprays water at an angle of 45 degrees in a downward direction.

a German apparel company that entered the U.S. market last year. Ads of 5-by-0.92 inches (12.7-by-2.3 centimeters) will be on each side of every helmet featuring “STRAUSS” in capital letters ...