What do the Aryan Brotherhood tattoos mean?

A Aryan brotherhood (A-B)tattoo is worn by members of the A-B prison gang . There are many diffrent types of tattoo's used or worn by the members some of these include the letters AB in a shamrock , ss lightning bolts , war hammer, as well as combinations of these and others i haven't mentioned. The AB is a American based prison gang with some members on the outside that have been released or recruited. It is a well structured gang with a large membership through-out many states . The AB members are of white descent only but will befriend other gangs and races if it will provide more income ( drug money) even though they believe these other races are not equal