For my project I really really want to have the trussrod adjust wheel like on the new Stingrays. I saw one just today on paintandsk8's homemade fretless jazz in another thread and I'm wondering whether it is possible to buy such a trussrod. Now I may be getting something fundamentally wrong about the design, because I've never dealt with trussrods before (outside of an instrument obviously), but as I understand it the wheel is threaded on in the place of an allen nut. Is that right? Where could I get that type of thing?