Cleveland CG14 Chrome Wedge The CG14 offers a perfect balance of performance, versatility, and forgiveness. The design integrates Cleveland Golf's most advanced manufaturing and feel technology with a tour scrutinized shape, sole, and offset. ZIP Grooves - The grooves are milled to maximum conforming dimensions using a proprietary CNC mill bit to create envelop-stretching geometry. To improve shot consistency, the new groove geometry was coupled with an innovative plating process Gelback Technology - Cleveland Golf's lightweigh visco-elastic, vibration dampening material, is placed directly behind the hitting area of the clubface in the back cavity. It is vibration-tuned to remove unwanted vibration on miss-hits.