Unrelated, well kinda......but here's a friendly word of advise.
Keep the cats and dogs away from the area where you cut keys.
The brass shavings can get inside the pads on their feet and become infected. It can also blow into their eyes and they can lick something with shavings on it and get them in their throat ect.
I've always had at least one shop dog and one shop cat. After having 3 different infected paws and had metal drilled from 2 non human eyes, I finally had to get rid of the shop cats and put up a gate so the pup can not get to the area where the keys are cut.