Locked out with your keys inside

locknoun

A piece of metal fitted on a door that keeps it shut until you put the key in it.

locksmithnoun

A person who makes keys and opens or repairs locks.

llavekey

I left the key inside and the door closed on its own.

chapalock

Do you know if the lock can be opened without the key?

cerrajerolocksmith

I'd better call a locksmith to open the lock.