While many of us would think this is a daft question, when we went hunting for high-quality evidence, it was not very forthcoming.  Hence:  science to the rescue!  Watch a brief (<120 second) overview of the study:

Kirsten Kingma and Ross Hofmeyr give a #litbit overview of their paper published open-access in Emergency Medicine Australasia comparing intubation with different introducers in a simulated easy and difficult airway.

What’s the bottom line?  We should always be using and introducer (bougie or stylet) when approaching a predicted difficult airway, and possibly for any emergency or rapid-sequence intubation… at least in manikins!  What’s needed next?  A robust RCT…