GoSports XTRAMAN Basketball Dummy Defender Training Mannequin, Red, 7. PRO DEVELOPED: The XTRAMAN was developed by GoSports in collaboration with professional basketball coaches and players to deliver a versatile training aid for players of all abilities. IMPROVE SHOOTING: The XTRAMAN simulates a defender to ensure players elevate their shots. IMPROVE DRIBBLING & DRIVING: The XTRAMAN simulates a defender so players must maintain body control while driving to the lane. INDIVIDUAL OR TEAM DRILLS: The lifelike look and size is a great addition to one on one coaching and team exercises.