nostr:npub1v7t4yx9vxtv3mat0hdsduuym4fvjd5dzmdlh82ssa40phr965h2s2lck6k nostr:npub1u83gudwdfwjngz5eqxkrnpvsuydvqwjxwz0majvehqrh62804hfq8yr2s5 if you use a plier with a curved jaw that puts even pressure around the entire ring it should work- or give it an additional squish on the opposite axis.  flat piers might give an oval shape