| 摘要 |
Exchangeable attachments and apparatus and methods for retaining exchangeable and tradable attachments, such as attachments that are removably attached to a retainer. Retainers may be located on, for example, the non-marking end of a writing implement, hair barrettes, shoe laces, bracelets, broaches, earrings, keychains, necklaces, rings, etc. Attachments may be coupled to a receptacle located in the retainer, wherein the attachment is inserted into a receptacle and rotated in a first direction to couple the attachment to the retainer, and wherein the attachment is rotated in a second direction and removed from the receptacle to uncouple the attachment from the retainer. Attachments may be stored internal to the apparatus to which the retainer is attached. Attachments may include identifying indicia or other designs. The retainer may include protrusions or another type of stand to allow the attachments to be displayed while the retainer is removed from the writing implement.
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