In my case, I had faith in the words of Sri Yukteswar, but that's just a leap of faith since there is really no way to know with our 5 senses as you underline if it has effectively worked and to what extent. The mechanism is probably not explicable by the physics of the material world, so we won't know until the Satya Yuga maybe, or until we are worthy of dwelling in the Hyranialoka planet or similar worlds.
You are right about my previously ironical comment, the real reason I'm not wearing it now is because it started to hurt my wristbone while and after exercising. I may wear it intermittently though.
May I suggest wearing it around your ankle to ward off the crows who may be looking for a place to nest. I had to use the same tactic to ward the pests from eating all my vegetables in the vegetable garden last summer. And by the way thanks for your confession about the irony sometimes it’s difficult to know with you…. At first when we talked on the phone ( a long time ago ) I wasn’t sure if I was laughing 😝 for the right reasons. Brother Turiyananda used to be like that also. He would make comments that made you laugh but on second thought there was some truth to his comments like…’ I don’t know how the young people of today will ever have spiritual progress while listening to music from bands called the Electric Prunes and the Grateful Dead’ ( with added emphasis on the words ‘Grateful Dead’ ).