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 pins. Other bowlers utilize the dots if they find themselves pulling their body up at the foul line (the shoulders should stay level throughout the entire approach,) as this is usually caused by them thinking that the arrows are too far out at the lane. Advanced players often use the lane boards themselves to line up shots that require them to aim between arrows. The conventional bowling footwork styles use either a four- or five-step approach beginning 8 to 16 feet (2.4 to 4.8 meters) behind the foul line. In the typical four-step approach, the ball is pushed away from