You can identify if a Coil-Head is in the vicinity if you found the body of one of your company after a Coil-Head attack, which will have their head replaced with a spring and their arms removed ...

What are all the Lethal Company monsters ... You'll know a sinister-looking Coil-Head as soon as you see one, as they are quite literally a bloody, broken mannequin with their head attached ...

In Lethal Company, Coil-Heads are bizarre beings, a combination of a radioactive biological weapon and a mannequin. On paper, they seem easy to tackle. You can immobilize them with your gaze ...