Bowling ball to skid longer before reacting (hooking). Reactive cover stocks finishes include "matte" (aggressive reaction), "shiny" (longer skid distance than matte finish), "pearl" (greatest skid distance among reactive cover stocks), and "hybrid" (combination of skid distance and back end reaction). Duckpin balls weigh each, with up to three balls delivered per round (or "frame") of bowling for one bowler. The duckpin ball has a maximum diameter of , slightly larger than a candlepin ball but, like a candlepin ball, contains no finger holes. Duckpins are correspondingly shorter and lighter than their ten-pin equivalents and it is more difficult to knock them
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