Bowling Instruction VideosUnderstanding Bowling Ball Layouts and Why What Works for JR or Your Friend Might Not Work for You. November 18, 2019 by Lee Sandt Learn about dual angle layouts and what they mean/what they do. JR explains why he doesn’t normally show his layout numbers on our ball review videos. Good info for everyone. What works for him might not be best for you. About Lee Sandt Previous Post:Roto Grip Halo Pearl Bowling Ball Video/Review – Real & Uncut Next Post:Brunswick Hero Bowling Ball Video/Review – Real & Uncut