Professor Reutlinger discusses the difficulties in teaching the Rule Against Perpetuities—the rule does not lend itself to mere verbal explanation and therefore makes it difficult to teach only through the Socratic method. In this article he offers an explanation and various examples of his "bridging the gap" diagrams as he now uses them in his classroom discussions on the Rule Against Perpetuities.
When Words Fail Me: Diagramming the Rule Against Perpetuities, 59 MO. L. REV. 157