First, this is just insane! But as you watch you will start to notice a trend. But Inside Edition did a great job exposing not only what this challenge is about but also the dangers.

 

One of the dangers of the challenge is permanently busted blood vessels in the lips:

Photo: Youtube

 

Dangerous as it is, this 15 year old girl has had these marking for close to a week after a botched attempt.

Photo: Youtube