Our open hoop nose rings are Adjustable and with a flat stopper in the end, can be worn as a real nose hoop/nose stud for pierced nose or as fake nose rings for non-pierced. To open: twist the two ends away from each other, don't pull apart; To close: twist up and down the two ends and slightly squish them to close; To adjust: twist up and down the two ends and slightly (gently) pull them apart. And adjust to the right size you want.