No matter how you pronounce it...

the use is still the same...for keeping your beverages (many times "adult" beverages!) cold!

You say koō-zie, I say cosy. (I suspect a debate will begin now on the "correct" spelling!)

image property of KnitandPurl

Everyone will say GO BLUE tailgating with these bottle and can jackets.  Don't worry State fans...we have a green and white option for you too. 

*update: please note that while these may keep your beverages cool, the main purpose is to soak up the condensation.