But in some cases, the decorations were also playing an important protective role. Fukigaeshi, the two protuberances on the sides of the helmet, usually decorated with the owner's kamon, were actually designed to stop the enemy's sword from reaching the neck area...
EXIF info:
Nikon Df
Lens: 24-70mm F/2.8G
Focal Length: 55mm
Aperture: F/3.2
Shutter Speed: 1/60s
ISO Sensitivity: ISO 2000