Arjen Tuiten teased some more.Is Muncher able to possess metal objects? Because it's either a vat/tube of slime bursting at the seems or a possessed object.
https://www.instagram.com/p/B-KpFNEjhWi ... e=ig_embed
Looking at the slime on the screws they are probably being pushed out.
That's a fibreglass mold, and at a guess, what was unhardened rubber leaking out of it, not ectoplasm.
My guess? The mold for a practical puppet/prop of the Muncher.