Hey, On the 7 string I'm planning, I'm trying to decide what to do with neck reinforcement. My local luthier, who also happens to be my tech teacher, doesn't use truss rods in any of his instruments. However, 7 string basses aren't really his usual fare. I think that 7 strings would probably be too much tension without a truss rod, even if I used 2 pieces of graphite. What are your thoughts?