Seven sheaves of corn: Pharaoh's dream as interpreted by Joseph.
A: The link is a spiral, I think. Aristotle wrote about shelled creatures. Slinkies are coiled springs. Mosquito repellents in the form of a coil. Bell towers have spiral staircases. Don't know about Wicca, unless labyrinths are involved in worship.
Edited to add details when I'd finished my coffee.
