Bowling ball random when impacting a full rack of pins on the first delivery of a frame, and sometimes when hitting downed "dead wood" pins on subsequent deliveries—the candlepin bowling sport is the only major one that allows fallen pins, provided no part of any fallen pin extends more than 24 inches (61 cm) forward of the head-pin spot, to remain on the lane's pindeck to be used in knocking down more pins with the next ball delivery in the same round—up to three balls are delivered, much as in duckpins, in each round of candlepins for one bowler. Bowling ball A
Ten-pin bowling still be considered and given a 7–10 split award (if performed in certified play). There are generally two primary styles of rolling the ball down the lane. Most newer players play by rolling the ball straight, hopefully into the 1–3 pocket for right-handed bowlers or the 1–2 pocket for left-handed bowlers. More experienced bowlers usually roll a hook, which means that they make the ball start out straight and then curve towards the pocket. There are two ways to produce a hook. In the first, the player lets go of the ball with his thumb first, then the middle and