Everyone just work on the basis I posted something really funny.
Edit - cheers Hookbill
OK, with apologies to The Black Adder's second incarnation.
How old wives's tales are formed.
Elboron's nanny: "You don't want to go thinking, Master Elboron, if you start thinking your hand will fall off"
Elboron: "How so Nursie?"
Elboron's nanny: " Well your Uncle Boromir, he thought it was a good idea to cut his fingernails with a broken sword, and his hand fell off..."