Badminton - What Destroys Your Smash (17) Having Wrong Thumb Position

www.coachingbadminton.com In this video, you will learn having the wrong thumb position will destroy your smash. #badminton #smash #thumb #grip #footwork #positionning #doubles #coaching #coachingbadminton #leejaebok #correction #singles "Beginners", "Improvers", "Intermediate", "Advanced"