Merely tie a standard knot, pull the knot really tight, and repeat (if needed, depending during the string length).
Baseball rules state that the catcher get both feet inside or on the series of this box when the ball is pitched. Eventually it got to nevertheless . https://Nerdzillaclassifiedscolumbusohio.Nerdzilla.com/index.php?page=user&action=pub_profile&id=731419