The only way I have ever allowed this is if they are using a pull through squeegee and it is hanging out both ends of the marker.
There are not too many markers out there that you can do that with anymore.
Originally Posted by Axel
I once saw a guy wearing a Hawaiian shirt, and when he couldn't answer simple questions like the difference between a K2 and a KP2, I followed him around yelling, "Hey! This guy is a big phony!"
That evening, the cruise director gave me a very stern lecture.