Ash is paraphrasing what is usually applied to the wheels of justice.
Quotes:
The Wheels of Justice Grind Exceedingly Slow. But They Grind Exceedingly Fine.Jan 16, 2010
https://newrepublic.com › article › t...
The Wheels of Justice Grind Exceedingly Slow. But They Grind Exceedingly Fine. Do You Recall "Chemical Ali"? | The New Republic
Never heard this : lots of interpretations! TY I’m still mulling it over :)
Ash is paraphrasing what is usually applied to the wheels of justice.