Angel Callers, also known as Angel Whisperers, are pendant necklaces that come in a variety of designs. ... These hold a soundball with a chime in the middle that can make various sounds when the pendant is swung. These chimes 'call' or 'whisper' as a way of communicating spiritually with your guardian angel.
You can also use for small crystal tumblestones and you can add piece of felt and spray with favourite fragrance and essential oil.