Tattoos That Have Practical Uses

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People get tattoos for any number of reasons. Maybe it's to honor a loved one or to express a deep philosophical belief. Maybe it's just because it looks cool. But what if a tattoo could be useful beyond its admirable physical appearance?

The following tattoos aren't just for looks, they have practical uses beyond their visual appeal. Some have a stone cold serious message, while others are a little eccentric or funny.