Hah! My brain. It is teh awesome. Sometimes.
On the thinnest of hunches, I went Googling for a product I thought up. And, lo, and, behold, there it was plain as the
mole on yer nose on my face.
Dearest Foot, I present to you, Critter Ridder from Havahart:
Also comes in a spray. From
here (or pretty much anywhere else, really)