naiveté Buttercup: We'll never succeed - we may as well die here. Westley: No. No. We have already succeeded. I mean, what are the three terrors of the Fire Swamp? One, the flame spurts. No problem. There's a popping sound preceding each, we can avoid that. Two, the Lightning Sand. But you were clever enough to discover what that looks like, so in the future we can avoid that too. Buttercup: Westley, what about the R.O.U.S.'s? Westley: Rodents of Unusual Size? I don't think they exist. Learn from Westley's naiveté and don't underestimate the unknown! Especially when opining about such monstrosities! product details This officially licensed, exclusive costume will let you really get inside the brain of those aforementioned unexpected monstrosities. Our R.O.U.S. Princess Bride Costume -- that's Rodent of Unusual Size, if you hadn't caught on yet -- is comprised of a long faux fur jumpsuit, a suffed velour tail, a hood with a soft-sculpted velour nose, ears, plastic eyes, and felt teeth. The shoe covers come in handy, too! Best of all, it's made by our in-house designers, so you can rest assured the faux fur is as high quality as any other big rat. (We kid.) embrace the unknown You never know what you'll run into and you never know what you'll step in! So take our advice and rock this sweet, esoteric costume that will likely make you a friend or two who get it.