Navika Good Luck 4-Leaf Clover Ball Marker Thak the Luck of the Irish with you on the green with this beautifully crafted ball marker featuring genuine Swarovski Crystals. Adds some BLING to your game Show off your sparkling uniquely designed Golf Crystal Ball Marker on the green. All items include a magnetic ball marker clip that attaches virtually anywhere. We have received rave reviews on these items for their quality and style so why wait? Get your Golf Crystal Ball Marker Now