Bowling form one and three pins. There are countless ways a bowler can achieve a strike. However, the goal for a bowler on every first ball is to achieve a strike using the method that generates the highest strike percentage. A "perfect strike" is a strike where the ball hits only four pins: the one, three, five and nine pins. The ball enters the one-three pocket, and then falls into the pit area to the right of where the eight pin previously stood. A stroker is a type of player in ten-pin bowling who releases his or her bowling ball in a
Ten-pin bowling Track, DV8, Roto-Grip, Hammer, Circle Athletic, Columbia 300, Dyno-Thane, Fun Balls, Legends, MoRich, Robby, and Via Bowling. Specially designed shoe design and manufacture is also a significant enterprise that many companies have gotten involved in next to ball production. Some of the major shoe designers are Circle, Dexter, Etonic, and Linds. Individual stores that sell the merchandise made by these companies specifically for ten-pin bowlers are called pro shops. In the United States, bowling equipment sales totaled US$215 million in 1997 which is around the same figure as in 1996 when the Sporting Goods Manufacturers Association (SGMA) released their reports.