They had them at Round Up at UT this past year.
Here's a picture:
http://www.takeourpicture.com/cgi-bin/cart_index.exe
Not sure where they got them. Obviously, they aren't worn as a serious item - neither are the NEON shirts, hats, crokies, sunglasses, etc. It's a huge recruiting event and they wear and give out ridiculous stuff with their letters on them.
woops - link just took you to the website - go to Roundup - KA - Friday night, and it's picture 11. You can clearly see the fanny packs