The ball is a hard leather-based-seamed spheroid, having a circumference of 9 inches (23 cm). The ball has a "seam": 6 rows of stitches attaching the leather-based shell of the ball for the string and cork inside. The seam on a different ball is popular and helps the bowler propel https://jeffreyqyels.slypage.com/36161982/the-basic-principles-of-match44