A semi-active seat cushion and method of using the same. Such an expelling device is known in the industry as a mine or a fountain. The central database repository comprises a meta data system, a scheme system and an object model system. The present invention includes the use of a clamp for stabilizing lead fingers during the wire bonding process. The plate may be configured to transfer rotation and torque from the manual input shaft to the gear, or inhibit the transfer of rotation and torque from the gear to the manual input shaft.