The present disclosure relates, in one aspect, to use of ghrelin splice variant or an analogue thereof for the preparation of a medicament for one or more of: treatment andor prevention of loss of body weight and body fat, prophylaxis or treatment of cachexia, stimulation of appetite, stimulation of food intake, stimulation of weight gain, or increasing body fat mass, or increasing body lean mass. The press lever has one end pivotally combined with a connecting member, and the piston rod has its lower end fitted with a piston. The arbiter also contains a mechanism to prevent CPU requests from starving lower priority requests. The resulting member allows surfaces to be contacted which may be irregular or may be covered by native oxide layers.