The Core Grip Workout System is a revolutionary training device that strengthens and stretches your core. By incorporating golf-specific exercises and functional training drills the Core Grip Workout System develops key muscle groups for improved overall fitness, core strength and stability.By specifically targeting your core with the Core Grip Workout System, you will build a solid foundation for dramatic improvement in your game. Increased speed and power will bring greater distance. Proper sequencing and coordination of the body in each exercise will lead to optimal control of your drives. The Core Grip Workout System was developed by leading golf fitness experts to deliver a simple, yet highly effective core workout that will elevate your game.Just a few minutes a day with the Core Grip brings amazing results.The Core Grip is best used with its companion Golf Core Grip app for iOS. The app provides additional training, instructional videos, customized workouts and progress recording. Together the Golf Core Grip and the Golf Core Grip app make a complete workout system.