Rework an existing small shamrock tattoo on the front of the left shoulder cap making it bold and shaded in black and grey with subtle green undertones earthy brown texture and faint flashes of burgundy build a celtic knot shield around the shamrock to balance the placement symmetrically across the shoulder cap integrate the moriarty family crest either an armored arm holding a sword with a serpent entwined or an eagle placed above the shamrock within the shield design add the family motto fortis et fidelis in classic ogham staves either inside the shield s circle or arcing beneath it the style should feel strong ancestral and timeless with fine shading and detail designed to flow naturally with the round shape of the shoulder cap tattoo idea - made by Ink Studio AI