Ten-pin bowling duckpin bowling (conceived in 1895), popular in the Northeast United States, as well as Canada's own sport of five-pin bowling, all three of which use smaller diameter, lighter weight bowling balls when compared to tenpin bowling, without the necessity for finger holes in them. The , lane is bordered along its length by semicylindrical channels called "gutters", which are designed to collect errant balls. The overall width of the lane including the channels is . The narrow lane prevents bowling a straight line at the angle required to consistently carry (knock down) all ten pins for a strike. Most skillful
Ten-pin bowling the first roll of a frame, and if all ten pins are knocked down on this shot, it is scored as a spare. Behind the foul line is an "approach" approximately long used to gain speed and leverage on the ball before delivering it. from the foul line, where the lane terminates, it is joined to a roughly deep by wide surface of durable and impact-resistant material called the "pin deck", upon which each rack of pins is set. The bowler is allowed 10 frames in which to knock down pins, with frames one (1) through nine (9) being composed