If you have a good swing, there is NO WAY you could stop at contact.
Ergo, if you can stop at contact, you have a bad swing.
If the coach is telling them to stop during actual games, then he needs to be in a mental institution.
Ergo, if you can stop at contact, you have a bad swing.
If the coach is telling them to stop during actual games, then he needs to be in a mental institution.