Tortoise shell is a kind of shell below 1000 meters, which is closest to the center of the earth. In the strong magnetic field, there is no sunlight, so the white of tortoise shell is the purest.

The auspicious meaning of cockroaches:

1, wearing cockroaches can enhance the human magnetic field, eliminate troubles and karma, increase wisdom and protect others.

2. Cockroaches are auspicious things for Buddhist practice, which can eliminate disasters and avoid evil spirits and suppress evil spirits.

The efficacy of cockroaches:

1. According to Compendium of Materia Medica, Herba Polygoni Avicularis has the effect of calming the heart and calming the nerves.

2, cockroaches have a strong magnetic field, which can stabilize patients' emotions, eliminate distractions, improve insomnia and achieve health care effects.

Maintenance and purification of Polygonum hydropiper;

1, do not contact with strong acid and alkali, to avoid heavy blows and collisions.

2. Wash the dirt with a toothbrush dipped in toothpaste or neutral shower gel, dry it with a fine cloth, and then apply a little baby oil or emulsion for maintenance.

3. Putting cockroaches on the Buddhist temple can restore their original luster. After purification, it will be exposed to the sun for two hours.

According to the above statement, maintenance is possible.

I hope I can help you!