RTX-6 Zipcore Cleveland Golf RTX 6 ZipCore's new HydraZip face blast and laser lines, improved ZipCore tech, and UltiZip groove geometry lets players enjoy supreme greenside spin from the fairway, the rough, in wet conditions, and even from sand. Key Innovations: HydraZip A new, dynamic blast and laser-milled line system creates roughness to enhance friction-maximizing spin in any conditions and from anywhere around the green. Visually, RTX 6 ZipCore Wedge faces are more matte than last generati