[IceFire]

Bell Scorpions: A sort of arachnid with an auditory defense mechanism; a section of its abdomen has evolved to produce loud noises when struck. When a bell scorpion feels threatened, or perhaps wishes to mate, it will strike this part of itself with its stinger tail.

it uses it tail much like a drummer using the more hollow parts to make deeper sounds to warn others while the must harder part of it shell it uses to attract others of its kind