"And then, you will have a crowbar."
"It is the only sort of key that fits such locks."
"There is a ring in the stone."
"I will put the crowbar through it."
"And the stone works on hinges."
"All right, Reverend Mother, I will open the vault."
"And the four chanting mothers will help you."
"And when the vault is open?"
"You must shut it again."
"Is that all?"