It looks completely crazy.

He screams, goes down to the plank and pulls his tongue until it hurts.

To the uninitiated, it looks almost life-threatening - as if he is tearing his tongue off.

But it is a proven method used by Carola, among others.

- It hurts so much, he says before he ends the ritual by spitting in a flowerpot.

See the whole ritual in the clip above.