It was not a good idea to wear rings on the job I retired from. I had a coworker who was missing that finger because his wedding ring got caught and stripped all the flesh off the finger. Tried keeping my ring in my pocket while I was at work, but nearly lost it a few times, so I left it home after that.
Even now that I’m retired, I’m not in the habit of wearing my wedding ring. As you say, anyone who needs to know I’m married already does.
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My friend works around electricity, so he doesn't wear a wedding ring. Instead, he had his wife's initial tattooed there.