Bars don't serve strings!

Here's the joke for today, just to prove that strings (in addition to under 21-year-olds) won't be served drinks!

"So, there were these three strings standing outside of a bar. One string bravely decided to go in. The bartender says, "We don't serve strings here" and throws him out. The next string decides to give it a shot and saunters in. The bartender takes one look at him and says, "We DON'T serve STRINGS here" and throws him out. The third string thinks for a moment. He loops around and shakes out his scraggly ends, and proceeds into the bar. The bartender looks and looks, and finally says, "... Are you a string?" to which the string replies, "Nope, I'm a frayed knot!"  

This joke came from: http://answers.yahoo.com/question/index?qid=20100709154921AArPPX3