Earlier quoted context omitted.
Sounds right up there with filed-down cards or connectors that had longer grooves cut in them!
I had a parking light burn out on my car. Went to the car store, and a replacement bulb was $$. Perused the lamps on tags in the aisles, and found one that looked the same but had different "ears" on the side. Bought it, and filed off the ears so it would fit in my car's socket. Worked perfectly, for a small fraction of the price. Of course, my car is full of aftermarket parts, so I am used to making "adjustments" to…
Probably not important in this case since it's just a light for parking, but lights for cars cost more due to having to meet exacting DOT standards/testing. I wouldn't do this with a brake light or real headlight.