No Miller Blade available. Use the Macintosh laryngoscope blade cautiously as a Miller Blade.
Be careful to prevent iatrogenic injury.
If you intubate the Ron Walls recommended method of going deep and pulling back til the larynx drops and you see the glottis opening, you will cause blunt trauma to the vocal cords possibly.
Look at the video about being cautious and then reckless.
I rather be calm and promote progressive epiglottoscopy coined by Rich Levitan.
Stay Patient if you are to use this maneuver.
Pride of not losing the airway an ignorance leads one to this Dark path of Airway.