Do u know about JG or Jonathan Galindo?

Yes

Explanation:

JG or Jonathan Galindo is known as a man in a dog mask. He is responsible for launching a new wave of challenges that were very dangerous. They were referring to the of ''Blue Whale'' which means that they were including selfdestruction and more dangerous harms towards teenagers.

when in a crucial situation, after calling 911, the correct posture for delivering effective compression is the proper hand placement.

first, place two fingers at the sternum, then put the heel of your other hand next to the fingers and place hand on top of the other. lock your elbows by using your body’s weight and compress the victim’s chest with a depth of 2 inches.

moreover, do 15 compression and 2 breaths, this process must be done four times until there is a pulse or a arrive.