And in return for that, we'll give you rewards like a Skype session with us or a wristband we'll send you in the post. - Or a personalized ledder(letter).
He set the tone himself, in a Savile Row suit with his wedding ring, gold or platinum, exactly matched to the wristband of his vintage watch of the day.
I think a ring is really the only thing that people wear all the time and also it's relatively stable compared to other format, like a wristband or watch.