Rickenbacker is unusual in installing two truss rods, rather than a single rod running along the middle. The idea is that a rod each side of the centre line can be used to counteract twisting as well ...
Adjusting your truss rod might feel like a tall order the first time you attempt it, but with a little background knowledge and guidance it;'s an easily achievable piece of DIY guitar maintenance.
It's unbelievable to me now but for the first few years I played guitar, I had absolutely no idea what a truss rod was – let alone how to adjust it. Blame it on being self-taught and knowing few other ...