Remember LPs??! I've recently had to buy some more shelves to support my LP addiction! Its the new cool thing (again) https://www.voanews.com/a/first-lp-record-is-re-released-amid-vinyl-revival/4459673.html Never used a metal stylus (though I do remember a wind-up gramophone with metal "needles") Did however have an "Osmoroid" brand fountain pen back in school, so that sounds like pen nibs were another application for Osmium