Hello, I currently have the rear tub off and have been welding both the chassis and tub, chassis is finished and I am about 3/4 way through the tub.It occurred to me today that I meant to fit some sort of rear restraint, I've had so much on I had forgotten. I have a set of inertia seat belts front a Fiat Cinqeucento that would be nice to use, the main issue appears to be where to anchor the top of the belt, I figure whilst the car is apart I could build a frame behind the seats but where might b