External compression of the thyroid (not cricoid) cartilage for a better exposure of the vocal cords

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This video is not about sellick's manouver. This is external compression of the larynx and not cricoid pressure (=Sellick's manouver). Selick's is made to prevent reflux when doing rapid sequence induction in full stomachs. External compression of the thyroid (and not cricoid) cartilage is made for a better exposure of the vocal cords.