Barely Educated

What was the first idea for a lock and did it work? How do master keys work on different locks? What are bank vault walls made from? Join us to find out that and more! Email: thebarelyeducatedshow@gmail.com Instagram: Barely_Educated Music: All the Colors by DJ Quads Here is a little help with what Jesse and I were trying to explain! https://www.smith.edu/hsc/museum/ancient_inventions/hsc09b.htm http://www.outandaboutlocksmiths.com.au/how-does-a-lock-work/