A shoulder harness includes left and right shoulder straps having ends attachable to a front-infant-carrier pouch. The analog capacitance-detecting circuit detects the capacitance of the touch panel based on a charging current, and converts the detected capacitance into a PWM control signal. At an upper end of the tubular is a polish bore receptacle permitting the tubular to be tied back to the surface of the well with production tubing. In the park position, the transmission is locked from substantial rotation such that the engaged wheels of the all-terrain vehicle are also locked from substantial rotation, whether or not the engine speed is sufficient to allow the centrifugal clutch to be engaged with the variable speed transmission.