Knuckle Tattoos. Knuckle tattoos are a common placement choice for men. The brass knuckle tattoo is one of the most common types of tattoo that many people get for their This tattoo is perfectly suited for the knuckles since it has four openings to fit your four fingers.
Some knuckle tattoos even span multiple fingers. See more ideas about Knuckle tattoos, Tattoos, Finger tattoos. If you're interested in getting knuckle tattoos here's everything you need to know.
