Bowling is a leisurely but surprisingly old sport that may date back as early as ancient Egypt. Many different versions have existed throughout history, but modern bowling in its most common form is more precisely named tenpin bowling. In tenpin bowling, a large ball (about 8.5 inches in diameter and 10–16 pounds in weight) is thrown at 10 pins that each stand 15 inches tall. Although tenpin is what most of us think of when we hear “bowling,” here in Baltimore there is a unique version of bowling that many throughout the country are…