Summary: Trevor Ashline shares the latest in head & neck restraint devices. As VP of Engineering and Product Development for Simpson Performance Products, and a motorsport enthusiast himself, Trevor knows his stuff. Should a HANS or Hybrid-S device be used with airbags? With standard OEM Seatbelts? How long do these devices stay safe? How do they interact with seats & roll cages? There's one device that is FIA certified to work with OEM belts: the Hybrid-S, invented by Trevor.
