An a'dh na Gaeilge Agus ta cappaill cru' suas mo to'in
Is Irish Gaelic and is roughly translated as The luck of the Irish and I have a horseshoe up my ass

I had this card protector made by my friends at www.dealerbuttons.com. This one is made of Stainless Steel and the celtic knot is made of brass and has been tightly inserted into the steel.