The amulets of Buddha Kshitigarbha.

Ksitigarbha Buddha
The Buddha Kshitigarbha (Chinese: Dizang, Tibetan: Sa-Ee Nyingpo),
is the Boddhisattva who took the vow not to attain enlightenment
before hell is empty.
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He is represented most often with in his left hand
un Jewels that fulfill the wishes and in the right a cane
which serves him to force the door of the underworld to go there to teach the Dharma.
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Amulets of the Buddha Kshitigarbha are quite rare.
Ce Buddha is traditionally the protector
pregnant women,
children and travelers,
it protects against natural disasters and prolongs life.
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By the nature of its action, it is also a Buddha very close to anyone with humanitarian action and going to dangerous places to help others (firefighters, first aiders, doctors ...).