Traditional
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Sliver first then gold
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Front with text back with motif
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Birth parents are not allowed to give
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Once the child reach the age of 12, they can remove the lock
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Removing with rhyme “头上挂，脚下摘，姥姥亲、姥爷爱，长命百岁!长命百岁!”
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Cannot be too heavy
The lock-opening ceremony in old society
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Offerings were placed in front of the memorial tablet dedicated to worship the ancestors.
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The one who was to open the lock would prays before the family's ancestors prior to opening the longevity lock.
Modern
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Given on birthday celebrations
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Gift for 1-Month-Old Newborn Baby
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No longer follow these rules
The lock-opening ceremony in old society
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The lock-opening ceremony has become simpler in rural areas.
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The removal of the lock signifies the parents' wishes of freeing their children from shackles before they grow up.