The SuperStroke Golf Grip Training Aid trains the golfer to achieve the perfect grip position, Muscle Memory - Can help to generate muscle memory for correct hand, placement, Fits most grips - simply slide over your existing grip, Perfect for pre-round/range sessions. SuperStroke Golf Grip Training Aid - Features: Practice anytime or anywhere. Perfect for practicing on course or in house Train the perfect grip position Helps improve muscle memory Fits most grips Authorised SuperStroke Retailer