Shamrock heisenberg the Oklahoma Tin Cup marks

the Oklahoma Tin Cup marks your ball cleanly and permanently in seconds

trace with your ultra-fine tip marker

Bold New York state outline — Empire State pride on every ball

or just love the Carolinas

Shamrock heisenberg the Oklahoma Tin Cup marksFeeling lucky? The Shamrock golf ball stencil from Tin Cup brings a little Irish luck to every round. Whether you're playing on St. Patrick's Day or just hoping for some good fortune on the back nine, the Shamrock is a beloved classic in the Tin Cup lineup and one of our most gifted designs around the holidays. Laser cut from 100% stainless steel and made in the USA, the Shamrock Tin Cup delivers a clean, permanent mark on any golf ball in seconds.