Necromancer's Bandelier

An enchanted belt that holds the Glass Bells and
can store the spirits of up to three undead
entities bound by the Servitors. You know the
True Names of all entities stored in this Belt and
they cannot normally make rolls to break free of
your will while they are stored. Stores entities
may be brought forth by whispering their True
Name and ringing Vocator, the Summoner.