A string walks into a bar, hops on the bar stool, and says, “Bartender, gimme a beer.” The bartender says, “I’m sorry sir, we don’t serve strings here.” Disappointed, the string hops down from the stool and goes to the next bar. He hops on the bar stool and says, again, “Bartender, gimme a beer.”

The bartender says, “I’m sorry sir, we don’t serve strings here.” The string continues down the row of bars in this fashion. At every bar, he hops on the barstool and says, “Bartender, gimme a beer.” Each time, “I’m sorry sir, we don’t serve strings here.” Finally he gets to the last bar in the area. He’s tired, he’s sweaty, all he wants is a beer. He trudges inside, climbs on the barstool, and says, “Bartender, gimme a beer.”

The bartender says, “I’m sorry, sir, we don’t serve strings here.” Pissed off, the string walks outside to think. He’s a hard-working string. He deserves a beer. Finally, he comes up with an idea. He twists himself up and musses up his hair, then heads back into the bar. “Bartender, gimme a beer!” Bartender says, “Hey, aren’t you that string that was in here a few minutes ago?”

The string says, “Nope, I’m a frayed knot.”