If you decide that this type of design is the one for you, then your next step is to choose which genre you would like to go with. As the designs have been around for centuries the styles have somewhat evolved over time. The styles range from the old fashioned Jolly Roger, the pirate's flag with the skull and cross bones or perhaps you would prefer the bio-mechanical style of skull - the choices are extensive and totally dependent on your personal taste.
So if you are interested in the skull design, or any other particular design, just take a little time to research the meaning symbolized by the design and if they are in alignment with your own true views then go ahead and adorn your body with this fantastic art work.