| 摘要 |
A system for providing safe, effective ear-piercing is provided. The invention provides an earring cartridge carrying a stud having a post in a stud post holder assembly and a nut in slidably aligned, spaced apart, and oppositely opposed placement so that an ear part may be placed between the post and the nut for piercing wherein a torque-like force is produced on the stud post holder assembly causing the assembly to rotatably open when the earring cartridge is compressed to bring the stud towards the nut for engaging the post with the nut. The earring cartridge of the invention is adaptable for use with traditional style ear-piercing studs or with the novel hinged hoop earrings of the present invention. Also provided is a novel nut with a backing shield that prevents the nut from sliding down along the stud post. A vertically stackable packing box maintains a sterile environment in which an earring cartridge with an ear-piercing earring stud may be transported and stored. An earring-cartridge stud gun provides a cradle into which the earring cartridge may fit. The stud gun can be loaded and unloaded using the packing box in such a way that the operator need not touch the cartridge during either loading or unloading.
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