Working for the liberation of all beings everywhere. Bringing higher consciousness to the planet, one eternal moment at a time.
At the beginning of each reading the Reader will ring a bell (or strike a bowl) three times. Definitely allow your intuition lead the way in the selection of a bell or bowl.
Sound can induce profound changes -- in the space, in your state of consciousness. It can be used to alert and call attention to the beginning and end of a cycle.
Tibetan bowls are one variety of bells that function very well in this respect.
With Tibetan bowls (as with all bells) when it comes time to choose a bell go with one you feel drawn to.
Getting a Tibetan bowl to sing can be a practice in itself. Try it for a period of 30 or 40 minutes and see what happens.