A system and method whereby certain nonprofit entities andor their business contributors may recover portions of certain fees currently being paid in the normal and regular in their course of doing business. One or various compounds may be used to form portions of one or multiple components that make up the paint roller, including, for example, the thermoplastic strips, adhesives andor the backing of a composite cover material. The devices can be utilized to guide a probe through the probe guide to a percutaneous target. Two relating opposing sides of the fixing portion extends two elastic arms whose free ends form a beveled edge and a clasp portion, and define positioning slots on the rear rim of the electrical card. Such combined approach provides a hysteresis effect, for less sensitivity to noise and some adverse AC line conditions.