Not Cable Capable

Customer: “I want a brake cable installed on my rear derailleur.”

Me: “Brake cables and derailleur cables have different heads that aren’t compatible.”

Customer: “I’m from Arkansas and we do things different down there. You can cut the head and crimp the cables together so the brake cable will have a derailleur cable head.”

Me: “It doesn’t work like that.”

Customer: “Yes it does! Here, let me show us how easy it is.”

He proceeds to cut the cable on his bike, and then stares at it for a few moments. Once he realizes what he’s done:

Customer: “They don’t make things like they used to anymore…” *Slowly wheels his bike out.*