 And one of the guys in line, and he seemed to know what he was doing, said that two things can happen. The guide pins either got stuck or the guide pins had too much grease on them. Well, these guide pins, and it was done by a shop many years ago, had an awful lot of grease still on them. And he had a logic that said that this could cause them to hang up on top. And I don't remember his logic. I didn't hear part of it.