A 23 year old male was skateboarding down a ramp when he fli…

A 23 year old male was skateboarding down a ramp when he flipped over and landed on his head. Heis clenching his jaw and you are unable to insert an oral airway. He thrashes his head when you attemptto provide bag-mask ventilations. His oxygen saturation is decreasing, and his ETCO2 is increasing.What is the best option to secure his airway and provide effective ventilations?