Rule 3.A.15. Hinder – Any transient element or occurrence not caused by a player that adversely impacts play, not including permanent objects. Examples include, but are not limited to, balls, flying insects, foreign material, players or officials on another court that, in the opinion of the referee, impacted a player’s ability to make a play on the ball.
To get our dogs to clean up messes, we call out “Hoover”