Smooth-On manufactures High Quality liquid RTV compounds which are used for fabricating a variety of custom and stock Prosthetics and Orthotics. The following video sequences illustrates the products in action. This video features a comprehensive step-by-step instructional video details methods for easy In-House fabrication of custom urethane AFO’s & WHO’s utilizing the vacuum-lamination technique. Smooth‑On's Reoflex™ 40 urethane rubber can be used for this application.