First one is a squeezy churny one, but is ultimately harmless, it just softens up and relaxes folks. Second chamber is like a big organic storage tank. Third chamber has a lot of digestive fluids in it and is a powerhouse. :3

So food gets loaded in, softened up, and sits in the second chamber until they slip deeper or get shoved deeper in. That way, taur can load up on a bunch of folks!