For broken key extraction, auto locksmiths thoroughly eliminate fragments from locks and ignition cylinders
https://automotive-locksmiths-uknlgj767.silverstonebrief.com/posts/15-funny-people-who-are-secretly-working-in-automotive-locksmith
For damaged key extraction, auto locksmiths carefully get rid of pieces from locks and ignition cylinders. They decrease damage and then develop a replacement key that works properly.