Is there a key that opens every door?

Is there a key that opens everything?

Designed by inventor Chris Hawker of Trident Design, the Quickey is a multi-tool that looks like a key, hangs on your keychain, and is designed to open everything but doors.

What is the key to all the doors?

“Knowledge is the key that unlocks all the doors.

Can one key unlock multiple doors?

In short, a master key system allows one keys to open multiple different locks. At the same time, more than one key can open the same lock. In an office building, for example, each employee can have their own key which unlocks the door to their office.

Does master key exist?

So, master keys do exist, and can be made for bike locks/ or car locks/ or normal door locks, but the locks it opens are also made accordingly.