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 ten-pin bowling (a modern version of the game of skittles) has risen in popularity as its technology has improved. The sport is most popular in the United Kingdom and the United States. Both nations maintain national regulatory organizations that govern the sport's rules and conduct, and many of those countries' best players participate in tournaments on both the national and international stage. Because of the rise in popularity, many companies began making bowling balls and apparel for professionals as well as for recreational bowlers. Bowling has also become more prevalent in the media in recent years, with the continued popularity