Quick Presentations on Certain Rules Topics
CASO has some short presentations on rules topics.  Increase the volume to hear the presentation.  The following topics can be found  YouTube page.
Batting Out of Order
Conferences
DP/FLEX Player
Fourth Out Appeal
Player Hit in the Batter's Box  (Hands are not part of the bat!)
Rules Misconception
Running Lane, What is it and when is it used?
Unreported vs Illegal Substitute
Mechanics