OK, what is this thing. Sharp brass knuckles? A tool of some sort

4 Finger Sharp Pronged Solid Brass Knuckles - Military Depot

Compact Brass Spiked Knuckles - 4-Finger Brass Knuckle Ring - Four Finger Knuckle Duster Rings

HOW TO MAKE BRASS KNUCKLES

KNUCKLE DUSTER PUNCH - Tactoys India

Why are brass knuckles considered an effective weapon? Won't their sharp edges dig in the hand of the punch-thrower and hurt/incapacitate them quickly? - Quora

Is this a tool? What is it called and what does it do? It is 3

Fascinating and Widely Practiced Uses of Brass Knuckles

BATMAN Dark Knight High Quality Arrival EDC Brass Knuckles Ring Alloy Knuckles Tactical Survival Multi-Functional Self Defense Tool Knife Blade Paper Weight

Traditional Gothic Brass Knuckle Paper Weight Black

Pinterest

Different Types of Brass Knuckles to Choose From

Steel Knuckles

Multifunctional Brass Knuckle Car Tools Legal Self-defense Titanium Alloy Portable Edc Defense Tiger Finger - Fidget Spinner - AliExpress

Underdog 100% Pure Brass Knuckleduster Novelty Paper Weight Accessory

Is the brass knuckle a good effective weapon? - Quora