10:06WHAT HAPPENS WHEN YOU PUT A FIRM POLY ON THE MAINS AT 54LBS AND CROSS IT WITH A SOFT POLY AT 50LBS?Tennis Spin6.3K viewsView & Download
9:54I STRUNG COACH ANDREW'S RACKET WITH A HARD POLY MAIN AND A SOFT POLY CROSS - HOW WILL IT FEEL?Tennis Spin7.7K viewsView & Download
