Beliefs
They believed that using the coils and stretching their neck would make them look more attractive. In other words, slender necks are more appealing and using these things could accomplish that. This kind of body modification is apparently special within the tribe.
The Dangers And Risks
Naturally, people are concerned about the safety of doing such kinds of practice. If this is the first time you’ve heard of this, you’d think this might look dangerous. But rest assured, this is a safe practice because it doesn’t really stretch the neck.