This is a NavCoin inspired pen clip. It clips around standard ball pens, pencils etc.
Attaching the two parts together requires a dab of glue.
NavCoin is a popular cryptocurrency, which can be used as a decentralized payment method to pay anyone, anywhere at anytime without a third party (like a bank) needed. Minor fees, fast and simple to use.
Learn more about NAV here: https://navhub.org/
tip: head over to the discord in case of questions, concerns or anything else: https://discordapp.com/invite/y4Vu9jw