Another interesting watch/clock channel is the "Nekkid Watchmaker". Don't worry, he's not nekkid.
Be warned though, going down the Watch ASMR rabbit hole will cost you many hours.
I use aluminium cutoffs the mount the practice plates. Liberal smear with Superglue and go crazy. When finished, use a sharpened screw driver to take the plate off. Just position the screw driver at the side of the plate and a couple of raps with your hammer will pop the plate off. Have never...
94 receivers have a lot of nickle in them. That is why they turn red.
Para Ordnance slides do the same. I blued a PO slide and then masked it up like Damascus, blasted it and blued again. The portions that went through twice were quite black.
Did this as a bit of fun to try engraving some wildlife. It's a Harley ignition cover in brass and looneynum. The central design is borrowed from here IIRC.
I may give this away eventually, but it's not for sale.