Hi all my daughter has been throwing a backup ball for years but now she wants to throw the ball from the right side she is right handed .she is throwing a 13# ball now and it seems to not be too heavy for her but when she throws the ball her hand goes back and still throws the backup ball should i change weights are is there something she can practice on ?ive tried getting her to do handshake release but this is not working any help would be apreaciated .