Roto Grip Defiant Edge Bowling Ball Review with Digitrax Analysis
On the Edge of… We finally get a chance to drill the much anticipated Roto Grip Defiant Edge. As usual, keep in mind that the coverstock will account for 70% of ball reaction while the core characteristics and drilling will dictate the shape of the reaction. Layout: Cranker (Sean Patterson) – 60 x 4 x … Continue reading Roto Grip Defiant Edge Bowling Ball Review with Digitrax Analysis