factory equipment on a 1957 Chrysler 300C included wheel chocks. I kid you not.

at minute 3:47 in the video

These were included as standard because the 300C's automatic transmission didn't have a parking mode, thus relying on neutral and the emergency brake to stand still.

https://www.autoevolution.com/news/perfectly-restored-1957-chrysler-300c-hides-a-rare-revolutionary-feature-that-failed-197742.html#

'62 Chrysler 300

'62 300 that was sitting around rusting for the past 3 decades finally gets a new life, with a viper motor. Hopefully it will be at SEMA

full build gallery:  http://www.classiccarstudio.com/speedshop/project/1962-chrysler-300/
http://www.thedrive.com/sheetmetal/14992/this-1962-chrysler-300-rat-rod-has-a-viper-v-10-under-its-rusty-hood