The Swing and Grip Trainer is designed to show a golfer how to grip the club correctly. The trainer aids in conditioning and strengthening all of your golf muscles. The Trainer also helps Overcome the tendency to swing "over the top" of the golf ball and find a smooth, repetitive swing. Small enough to swing indoors and works brilliantly with Gametrak: Head Weight Builds Strength and Muscle Memory Great for Warm-up Great for "Real World Golf" Training Sessions