Um, they're just thought to ward off evil in general.
These windows are referred to "witches windows" and are believed to ward off witches...
Hex signs.
He tried to ward off the evil spirits.
Cardinals use their bright colors to ward off predators. They also can fly away from danger and into large trees.
Jim received the charm to ward off witches from the hairball that was given to him by a magic man in Chapter IV of "The Adventures of Huckleberry Finn."
The size of the giraffe helps it to reach the leaves of the trees within its habitat (usually, there are only leaves at the top of these trees; the rest is bare wood) and also, the size helps ward off predators.
The star on the side of a barn is a hexmark. It is meant to ward off evil magic and witches/warlocks who work with evil forces. There are those who hold a strong belief in the matters and symbols. Whether of not you believe, there are those who do.
nothing can ward off a vampire bat its impossible.
Yes, they do.
This repellent did not ward off the mosquitoes very well.
Lemurs have scent glands that they can utilize to ward off enemies, sometimes valled stink fights. They climb trees, live in large groups, and can bite.
to get rid of it