An example of the way the sacred spirals of the Celts were once painted onto the skin with woad before battle, a perfect way to add large area coverage in color. While we cannot know exactly what tattoos the woad warriors would have worn, we can surmise that they would have copied the spirals found on contemporary stone carvings, all that we now have left to document the mysterious race of the Picts.
Pictish Spirals tattoo