Glottis = the opening between the vocal cords and the larynx.
Glottal stop = stopping the airflow in the glottis.
It’s basically not pronouncing letters correctly (being a bit lazy). Check out my examples below and see which letters a glottal stop can be applied to.
when do we use a glottal stop?
So, the glottal stop is used on certain letters. Check the picture so see which ones.
glottal stop practice
Try practicing this using the glottal stop.