So you have your idea, you have your provisional patent, and I, your illustrious fabricator has made the first couple iterations of your new shoes. What now?
Make the next version of your vision, shaped by all the insights garnered thus far.
Molds made of cut chip board, glued and shellaced to plywood. Soles cast in urethane rubber, carefully selected to meet the specific demands at hand. Or, well, at foot.