

I’m gonna take this opportunity to plug the nuknives u23. As a lefty, finding a utility blade knife that is lefty friendly is near impossible. This thing fits the bill with flying colors. Bonus: They sell tons of replacement parts, should you damage it. If you have a job that’s hard on knives, this is the one for you.
It sounds like a lot of people here are incorrectly assuming you are going to wear the o ring as jewelry, instead of using it as a keeper for your jewelry.
The o rings are the same. Wash them and use them.