One evening a young Entered Apprentice was turning in his proficiency. After going over the signs and passwords, he looked at his teacher and asked, "I noticed several of the older members sticking their fingers in their ears and whistling. What does that sign mean?"
"That's not a sign," his teacher said, "Those are Past Masters adjusting their hearing aids.
"That's not a sign," his teacher said, "Those are Past Masters adjusting their hearing aids.