In the old English custom, the hare (not rabbit) was said to have an evil eye, whose glance can only be countered by people who own a hare's hind foot.

In the old English custom, the hare not rabbit was said to have an evil eye, whose glance can only be countered by people who own a hare's hind foot.

Later, rabbits were introduced in Britain from the other European countries, and since rabbits can be caught more easily than hares, the rabbit's foot replaced the hare's foot as a lucky charm.