You and Partner can execute nice tight turns around the trees in your yard and Partner slides the cart through those narrows like nobody's business.
Judges watch for a true working team.
His interest is in you and what you and he are doing. He knows he has a job to do and performs it quickly when asked. As soon as you get in the ring, your hands start to fret. You aren't conscious of it, but you are slowly gathering up the slack. Before your first turn, that nice loose lead has gotten so tight your hand is only inches above Partner's head.