Feeling 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. Lay it flat, trace with the included marker, lift — and let the luck do the rest.Why Golfers Love It Classic Irish shamrock design — a timeless favorite on the course Perfect St. Patrick's Day golf gift or any-occasion present for Irish golf fans 100% stainless steel, built to last hundreds of rounds Works with any standard golf ball Includes velvet carrying pouch and ultra-fine tip marker Price: $19.95 — Free shipping on orders over $35.