Cybex Requested NHTSA clarify how fixed, adjustable, and configurable side impact technologies will be tested hinein future annual compliance test programs. Cybex explained that previous NHTSA interpretations have deemed “belt tensioning bars, additional straps and support legs” as supplemental devices. NHTSA has considered the effects of this proposed rule under https://hackett-terry-2.hubstack.net/seatbelt-and-safety-belt-webbing-options