How to Gleek or lizard spit

Little boy demonstrate simple steps on how to gleek in three easy steps. As viewed on the video, the boy mention the use of a yellow string to help in his demonstration- First is to touch the tip of the tongue at the bottom of the mouth where the yellow string is placed- Touch the tongue at the roof of the mouth- Force the air out of the mouth like what happen when you force a yawn, make sure that the mouth is open as you do, for the spit not to hit your teeth