What defense mechanism, similar to another snake type, do Sunbeam Snakes exhibit when feeling threatened?

Answer

Vibrating their tail in a manner similar to a rattlesnake.

While terrestrial and fossorial, they possess a defense mechanism that involves vibrating their tail similarly to a rattlesnake when feeling threatened.

What defense mechanism, similar to another snake type, do Sunbeam Snakes exhibit when feeling threatened?
dietreptilesnakesunbeam snake