OEM Golf Putting Alignment Rail Golf Putting Practice Alignment Guide Calibrated Ruler Swing Trainer Practice Gesture Aluminum Alloy Golf Trainer Aid for Putting Green Easy to use Suitable for various environments High-quality material, high flexibility 【ALIGNMENT GUIDE】:This golf practice putting alignment rail features the middle groove guide you stroke consistently & precisely each time ,ensure the ball go through the groove to the cup hole,rectify your putting posture. 【PRACTICE ANYWHERE】: These putting alignment equipment are perfect to use on your putting mat at home or on the course putting green to practice your putting stroke. This putting aid is small enough to easily fit into any golf bag for portability 【INSTANT FEEDBACK】:Just like have a personal tutor who give you instant feedback if you putt to the right or left. Take the pressure off your golf game. Line up your target and focus your aim on the greens no matter what you're junior or professional. This putting training aid will help improve your golf skills in no time.