80% of all golfers grip the club improperly. The Pure2Improve Golf Grip Trainer attaches to any golf club and fits all hand sizes, to correct and instill muscle memory for proper hand positioning and grip. It\'s small enough to easily fit in your bag and perfect for pre-round or any range session The Pure2Improve Golf Grip Trainer Features:Creates muscle memory for proper hand positioning and gripAttaches to most clubs from driver through wedgeSmall enough for your bagPerfect for practice or pre-round range sessionsBuilt for right-handed golfersOnly fits standard grips-58, 60, round, and ribbedWill not attach to oversize or midsize grips