I’ve owned various types of Trion:z for over 15 years. The single loop looks really smart and is good quality however the magnetic clasp is a real weak point. The first day I wore it, at some point but I don’t know when, it obviously caught and parted. I lost the loop. I’m scoring it a 2 star as I could have been unlucky. I wouldn’t order another one but have just received a double loop model which seems to have a much more robust clasp.