They are usually quite large tattoos that extend from the upper arm down towards the hand.
The significance of this tattoo is to show that you have been in a situation where your life was threatened or were willing to take a life to protect another person. It can also be found on marines and sailors, particularly popular with an American soldier – but only those who have seen active combat. What does a spade tattoo mean? Members of the outlaw biker gangs often use a spade tattoo.
