The origin of Harmony Bola Ball (Mexican Bola)Originating from Mexico, harmony balls are antenatal training necklaces first worn by pregnant women. They can create gentle and soft wind chime while mom is walking. Modern experimental results show that the fetus after 20 weeks can hear this angel sound and feel mom's love. So it's popular in some celebrity circles to wear a Mexico bola during pregnancy.
Use of Harmony Bola Necklace
* The crispy wind chimes can help you relax and soothe nerves
.* It can be a prayer bell or wishing ball.
* Putting pompon or lava rock into the locket, it can become an aroma locket pendant.
* For meditation 
Wearing Guide
* Take it off when taking a shower or doing sports. Keep it away from water, sweat to prevent oxidation.