According to the red book, it is necessary to think before wearing anything around the finger, wrist, or neck. Otherwise, you may see bad results. The throat is considered to be the marriage place of the person. Whatever you wear around your neck, the effect is also visible on your heart and lungs. You wear metal around your neck which also affects your heartbeat which can make them faster or slower.
Vastu Tips to keep in mind while making a Temple in your Home