I'm not sure, but if you find out what it is, I request to be the first to know.

[He looks down at the rabbit-thing, which has settled into his arms.]

I have another bottle you might like, if you are a collector of such things.

[Look at him, exchanging gifts as friends might do. He steps into his room a moment, rabbit-thing in tow, and returns with a glass bottle shaped into the form of a bird.]

I can't say it's terribly practical for holding liquid, and I'm not fond of birds myself, but it seemed unusual enough to merit keeping at the time.