Monster Masher

The Monster Masher is an item available as an algorithm prize. It was first presented in CAT-astrophe."You and the other players each take turns adding to an exquisite corpse-style monster that will then aid in your adventure!"

Description
The Monster Masher is a glass jar with a metallic lid, filled with the body parts of various monsters. Among its contents can be glimpsed a hand, a lizard's tail, and some kind of strange eye with a square pupil.