Use of this McGrath Mac as v.l. needs to have the intubator emphasize that the line of sight is now no longer via the direct line of sight via the mouth opening but by the images shown via the monitor. Now to emphasize more gentle the handling of the blade before finding the glottic opening. Then you should shape the ett with stylet to the shape of the blade used. And then can use the path created by the blade of the McGrath to pass the endotracheal tube.