Read our paper to see how to get a blinking light to guide your way to the trachea when you do flexible videoscopic intubation in patients with difficult airways:

Infrared Red Intubation System (IRRIS) guided flexile videoscope assisted difficult airway management
Kristensen MS, Fried E, Biro P
Acta Anaesthesiologica Scandinavica Oct 24 2017 [Epub ahead of print]