Bat rattle

[mbyron]

Originally Posted by umpjim

If you hear a rattling sound as the player comes to bat, you should declare the bat illegal and apply 7-4-1a and 4-1-3 a-b. If you discover the bat after the bat has been used, you should only remove it from the game (1-3-4). The bat could have become broken after hitting the ball.

Agree.

Disagree: the batter has committed an infraction only by bringing the bat into the batter's box. If the illegal bat is detected before the batter enters the box, remove it without further penalty.