Engineering disagrees, sorry. NNNbc do not overlap the ski making them harder to get on edge, not saying impossible just harder. The bar in the boot is never a tight fit in the binding so the first movement to edge is wasted. Reality is if they went down fine, Olympic courses would have actual hills on them. The riva etc solved some of these issue with a tighter fit giving a little more edge control. Sure like them for what they were great for going forward, but cable bindings defiantly improved going down.