The A.C. Co. manufactured 2 variations of the M1917 trench “knuckle knife” one with studded knuckles and this version featuring “Dragons teeth”
Imagine, you’re in a mud filled trench in Western Europe, the barrage overhead screams for hours as shrapnel and splinters rain down from the sky. Suddenly enemy troops overflow from the charge into your trench and another man locks eyes with you as he wields his knuckle knife. Eyes wild with panic and adrenaline, his knife features 3 different ways he can dispatch you, all giving in to a grim end…
source
