It is interesting that you teach a concept and try to back it up with some literature, but sometimes you do not have a simple tools to show it. Canadian Journal of Anesthesia published an article Laryngoscope manipulation by experienced versus novice laryngoscopists in December 2014. This is exactly what I’m talking about! how to grab a laryngoscope and how to manipulate it. There are some pictures that will help our interns to practice more professional. Remember to hold laryngoscope with your palm not your fingers and also have your handle angles less than 45 degrees.