A remote control manually movable handle for a gear selection and throttle selection device is provided with asymmetry in order to improve the mechanical advantage available to the operator when moving the selection handle from neutral gear position to forward or reverse gear position. The system is readily adaptable to a variety of configurations without the need for repiping or replumbing of the installation, and lends itself to the use of multiple purification techniques. The restoration device includes a longitudinal member arranged for transoral placement into a stomach, a tissue shaper carried on the longitudinal member that causes stomach tissue to assume a shape related to a gastroesophageal flap, and a tissue fixation device that maintains the shaped stomach tissue in a shape approximating a gastroesophageal flap. The method can further include exposing the primary article to an internal vacuum to facilitate shrinking to a predetermined volume.