The Vtg Roger Clemens Pitching Trainer is a training aid designed for baseball players, specifically focusing on finger placement marks for improved pitching skills. The color-coded marks on the trainer provide guidance for proper hand positioning and finger placement, helping players to develop a more efficient and accurate pitching technique. Made by S.C. Products, Inc., this rubber/cork center trainer with yarn wrapping and leather cover is durable and designed for adult baseball players looking to enhance their pitching abilities.