The lady said, “I’ve cut it at an angle like they said at the hospital but it still won’t go through.” It’s cut at the wrong angle - it should be a long cut, almost parallel with the sides…
It’s not working…..?
Has a rubber lining in the sound output. Rubber perishes, expands, jams and gets forced closed. Result, no sound output. Cure? trim a bit off….
Then there was the old lady who produced better part of 100 dead batteries, “I save them I don’t like to waste anything!” Every one had the sticker carefully replaced. Unfortunately she had her new batteries in there as well…..