Link: http://www.wcbs880.com/pages/6286330.php?

Ok this makes perfect sense - open it for dipping (fries) or open the top for squeezing - (burgers)

I'll miss the old packets tho - when I was a kid we would fold 'em in half - put 'em under our sneakers and step down hard when a person with white shoes walked by.

BLAT! - instant funny.

p.s. don't do this if you can't keep a straight face