As in Donough's Keep, this design is found in borders or arch ways. It is considered a protective or supportive symbol. A Symbol of letting go or grow from within . This pattern has arrows pointing outward indicating outer growth, and the inward for spiritual growth the design is left empty to be filled with an individual talisman or birth stone . This would be considered both a guard against outside forces and a source of inner peace. The outer pattern is created using one continuous line as a fort or protectorant outside of a family , in peace or war , providing protectorance above and below, from the left and to the right.