u/MZMURDER722

So I just placed an order for a bracelet last night. I went with the size 6.7 bracelet/5.9-6.3 wrist. Even though my wrist is 6” I plan on adding charms to it. Hoping I got the right fit. But I keep hearing about “clip charms” or “safety chain charms” are they necessary? And do I need both kinds or is it one or the other?