Root Ball Tourism
Even though M.I.R.A. techniques can be applied to many subjects, root balls produce the most compelling results, so far. And finding good root balls can be challenging, even though it would seem that they must be just about everywhere.
It may become necessary to identify and catalog the individual root balls. Some sort of taxonomy may be in order. “If you want heavily dirt bound root balls, go here,” or “The cleanest, dirt free root balls can be found here,” could become the stuff of travel brochures.