European folklore regards the bell as both a decree of death and as
a means of protection. The outer shell of the bell is seen as being
female while the hammer is envisioned as being male. The ringing of the
bell marks the time, and purifies the air of unwanted influences. It
can also be used to create an altered state of consciousness, or for
the calling of spirits.
In Italy, bells are often attached to livestock to prevent them from
getting the Evil Eye. Bells are also attached to household pets to
protect them from baneful spirits.