Fully turfed with regulation rubber, the Trigon Sports 4 in. Game Mound facilitates pitching from an elevation to increase pitch control. Simply place the mound at the desired distance, rake dirt to edges of mound, and start pitching! About Trigon Sports Located in Memphis, TN, Trigon Sports is family owned and specializes in the direct importation and distribution of team sports equipment. Providing the essentials for every level of play from Little League to the Big Leagues, Trigon Sports is well known for their exclusive line of ProCage™ branded sports equipment, which features the industry's best protective screens and batting tunnel nets. Trigon has expanded the focus of its product line from baseball/softball to include all major team sports, including basketball, soccer, volleyball, tennis, track & field, and speed & agility training.