A haptic feedback planar touch control used to provide input to a computer. The system can include a gantry that completely annularly encompasses at least a portion of the subject, and a source positioned within the gantry. The preferred composition for preparing a polyurethane foam comprises an isocyanate component and a polyol component, wherein the polyol component preferably comprises a combination of Mannich polyol, polyester polyol, and polyether polyol. A fastener extends through the aperture to secure an electrical connector in electrically conductive engagement with the ring.