The egg has a hole drilled through it lenthwise. It comes with a small bag and instructions for use. The books “Tao der Frau” and “Exploring the Hidden Power of Female Sexuality” by Maitreyi D. Piontek contain further information on how to use the energy-egg.
The green Chinese Jade is a very good stone to begin with, as it is very tender and mild in his action. Over millennia, the Chinese imperial concubines and wives used jade eggs to enhance their sexual power. Chinese jade is known for its soothing effect; it is the stone of peace and calmness.