pellmell
2 months in quarantine....... I'm tryin, I'm tryin real hard Ringo. hahaha
“The vertical grooves on the club faces of the present invention have a beneficial effect on the ball and tends to generate a forward top spin traction producing a straight-line trajectory. Having only vertical groove face configurations, the vertical groove concept of this invention minimizes adverse direction such as exaggerated slicing or hooking and produces a low trajectory boring ball flight with top spin and increased distance.”