HoopsKing ShotSquare Basketball Training Shooting Aid, Perfect Release & Rotation on Shot PERFECT FOREARM POSITION. Puts player's forearm in the perfect 90 degree shooting position. PERFECT ELBOW POSITION. Puts player's elbow directly under the ball for improved accuracy. PERFECT SHOOTING ARC. Teaches players to shoot with the correct arc. PERFECT SHOT POCKET. Trains players to place the ball in the ideal shot pocket. IMPROVES SHOOTING SPEED. Eliminates dipping of the ball, which creates a faster shot stroke.