In this edition of Play Smart, we explain the tiny new training aid Rory McIlroy has been spotted using lately.

The training aid works to rectify your golf grip, improve your tempo, timing, and golf muscles, increase your flexibility, and improve your swing. It has an innovative design of a flexible shaft ...

Fundamentals are crucially important for a solid golf ... the grip. And while something mundane like how to hold the club might seem trivial, it’s hugely important for making a solid swing.

Dr. Sasho MacKenzie, one of golf’s leading biomechanists, says grip pressure is crucial to generating clubhead speed, and if you have it wrong, you’re costing yourself yards.