article_snippet: Rules included the Road Runner never being able to harm the coyote, except by saying ‘beep beep’, 'no dialogue', and ‘all materials, tools, weapons, or mechanical conveniences must be obtained from the ACME corporation’.
article_snippet: The writers also had to try and ‘make gravity the coyote's greatest enemy’ and ensure that he ‘is always more humiliated than harmed by he failures’.
article_snippet: the Road Runner cannot harm coyote except by going 'beep-beep!'
article_snippet: No outside force can harm the coyote - only his own ineptitude or the failure of the Acme products .
article_snippet: coyote could stop anytime - if coyote were not a fanatic .
article_snippet: All action must be confined to the natural environment of the two characters - the southwest American desert .
article_snippet: Whenever possible, make gravity the coyote's greatest enemy .
article_snippet: the coyote is always more humiliated than harmed by the coyote failures .
highlights_snippet: Another rule was that the coyote always had to be humiliated, not harmed .