And when it springs into action, anyone in contact with the wearer can be given a jolt as well. DH would abruptly push me aside when he felt it might suddenly bolt. Fortunately, after some time, finding the wires had corroded, and his heart had become much stronger, they were able to remove the devise with no adverse side effects. That was ...8 or 10 years ago IIRC
Glad you’re husband made it!
My neighbor didn’t, but he’d had enough.