[IDEA] Your doors can be opened with a key that you can craft and give to a friend.

What do you think?

This has already been suggested… There is a suggestion thread if you didn’t know, though I don’t know why they unstickied it.

Can you link the thread please?

http://forum.facepunch.com/showthread.php?t=1238366
Not that hard if you would’ve scrolled down a little bit.