TIBA Putt - Putting Aid for Golf - Portable Golf Putting Alignment and Aim Practice Training Tool Used by over 20 current PGA and LPGA tour pros including Lydia Ko. Helps improve your path through impact and keeps face square. Trains you to hit the sweet spot more consistently resulting in improved distance control. Works with all putter types, swing styles, and is easily secured with all standard sized tees. ( Eco Golf Tees Included ) Highly portable putting training aid that easily stows away in your golf bag for on demand putting practice.