The taxi driver hated his job. Quite often he found himself struggling with an impulse to strangle obnoxious passengers. But it would do business no good. He could see that; dead passengers usually didn't pay their fare, unless you were a certain ferryman.
Besides, simultaneously strangling and driving was an art he had not yet fully mastered.
So, finally, he had to make a difficult decision. Quit the taxi business or find another way to deal with repulsive customers. However much he favoured squeezing the life out of people who made that life an effrontery, a handgun would be a more realistic and practical approach to solve that problem. Well, of course after he had made them pay the fare. Triple fare, actually. Bullets aren't exactly free of charge, you know.
Next problem. How to get a handgun when you're not a criminal who knows a man who knows a guy, who knows a nephew who can get his hands on a piece of hardware like that, without registration. And here the wonderful 21th century kicked in. Youtube and an endless series of shows How To Do things, like The 10 Best Ways to Get a Gun Within a Day. Answer; 3D-printing. Not cheap, but hey, a 10% raise on the fare would handle that.
And so the day came, that taxi driver Joe hit the street with a handgun within reach and excitingly waited for the first obnoxious passenger to present himself. Naturally, he did not have long to wait. Interestingly, it was the owner of a certain DIY channel on YouTube, sent on his ultimate trip to the ferryman by the perfidious Deity of Irony himself.
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Jazz musician, superglue, horror.