ITEM NAME:Portable Compact Grip Trainer Golf Training Aid for Correct Hand Positioning Description: The Grip Trainer attaches to any club and fits all hand sizes, to correct and instill muscle memory for proper hand positioning and grip. Small enough to easily fit in your bag, It's perfect for pre-round or any range session Perfect golf training equipment for practice or pre-round range sessions Built for right-handed golfers Specification: Materials: rubber Length: 115mm/ 4.5 inch Inner diameter: 17mm/ 0.67 inch Color: black Package Includes: 1 Piece Golf Grip Trainer Note: Instructionsï ¼Å¡ Covering the mounting handle from the appropriate position of the grip is the integration of the grip and the handle. Hold the two thumb faces while holding the bar, and the thumb and index finger of both hands will be V-shaped. Please focus on the left hand little finger, the ring finger and the middle finger on the three fingers SKU: DMO0018255854023951.1 Piece Golf Grip Trainer. Covering the mounting handle from the appropriate position of the grip is the integration of the grip and the handle. Hold the two thumb faces while holding the bar, and the thumb and index finger of both hands will be V-shaped.