College Contemporary Metals Tie Bar. Our Oklahoma Sooners Tie Clip is a matte finished, solid brass, fashion forward accessory. This Oklahoma Tie Bar includes a complementary nailshead patterned gift box. Each Tie Clip is made of rhodium plated brass. This Sooners Tie Bar will add a touch of style to your dress attire, not to mention keeping your tie in place. Made from solid brass, this piece will hold firm and is built to last. Go Sooners!! Officially licensed Oklahoma Sooners fan gear.