It calls angels or bola Mexican is a trend that goes back to very ancient times and arrives from the South America. The legend tells that the bola was presented in all that of good auspice for the future mothers. This pendant itself thinks that it should be a kind of musical tool, able to call attention of the guardian angel after that mother and child will look during the pregnancy. At a more scientific level, it calls angels maids like calming by the child. The mother, positioning the pendant in contact with the big tummy, lets to the little one feel his presence. Besides, it calls angels it will serve that it is slackening, than kind of watch. Thanks to the sound emitted by the pendant when the mother is in movement, the child will understand the difference between day and night, so to help his routine once been born.