"Chris Green" wrote in message
...
Brian Gaff wrote:
I think the answer is some thing called a nut, but of course the next
person
who tries to remove it will call you all the names under the sun when the
nut starts to turn as it loosens....

So how do you get the nut there in the first place, put a highly
trained (and suicidal) mouse in there to hold it?

Nope, a cockroach, they can survive anything, stupid.