Softball Mechanics Illustrated is the only High School softball mechanics book with detailed images and lifelike illustratons. Referee’s exclusive MechaniGram™ graphics bring positions, signals and movement in to focus for every position on your crew. Breakdowns of play situations are paired with accurate diagrams to ensure you’re in the right place, at the right time to make every important call. Studying the rules is not enough because you can’t implement the rules if you’re out of position to see the play. Mechanics knowledge should be a part of every umpires training. Train with the best resource available with Mechanics Illustrated.