I don't think I have ever used a pipe cleaner to clean a pipe. Mostly was just arts and crafts with the kiddies.

My daughter works retail and she has to card anyone who buys tobacco products, no matter how old they are or if she knows for a fact they are over 18/21, I forget what the age limit is now. She could get suspended or fired if she doesn't, and they actually send in secret shoppers to catch anyone not carding people.

So before getting pissed off at the clerk for carding you, remember they are just trying to do a job and don't have a whole lot of choice.