(a) Balks If there is a runner, or runners, it is a balk when: (1) The pitcher, while touching his plate, makes any motion naturally associated with his pitch and fails to make such delivery; Rule 6.02 (a)(1) …

The pitcher shall not - (a) (1) bring the pitching hand in contact with the mouth or lips while in the 10-foot circle (18-foot circle in Intermediate (50-70) Division/ Junior/ Senior/ Big League) surrounding the pitcher's …

A pitcher may wear sunglasses provided that they are not distracting to the batter. (i.e. glare or reflective)

1-5-1   It is mandatory for on-deck batters, batters, runners, retired runners, players/students in the coaches boxes as well as non-adult bat/ball shaggers to wear a batting helmet that has a non-glare (not mirror-like) surface and meets …

6-2-1   Illegal acts include: applying a foreign substance to the ball; spitting on the ball or glove; rubbing the ball on the glove, clothing or person if the act defaces the ball; discoloring the ball with …