The ball is a hard leather-seamed spheroid, using a circumference of 9 inches (23 cm). The ball has a "seam": 6 rows of stitches attaching the leather-based shell of your ball to the string and cork interior. The seam on a fresh ball is well known and helps the bowler https://match44-id20875.imblogs.net/85141247/the-2-minute-rule-for-match44