Jeffrey...yeah, my right hand's definitely moved up the neck over time...or should that be 'down' the neck? It's a function of my tendency to sit rather than stand onstage these days, and that's a function of...well, you know, five decades spent living in a gravity well...
The 4001 body design does provide a great surface along the upper edge for resting one's arm while playing...now if I could just get them to work in an ashtray and a drink holder...