It's just a stick. Probably rotted then.

Reinholdt looks down at it.
"Well it certainly seems to be eating. It's probably chewing through the floor as we speak and the floor will collapse from under us and deposit us in the basement no one knew Trog's had any second now."
Any second now.

"Or not, whatever works. If we knew exactly what it ate, we could feed it the opposite maybe and make it shrink." That always works in the movies.

MHF smells wrong. So very wrong. Like darkness errr... smellerized or something. Mild traces of human in there though.