Doors that don t have a lock often have a door handle or door knob which when turned retracts the latch so that the door can open.
Locks for doors that dont have locks.
People have been using door locks for almost as long as their homes have had doors.
By removing the handle you can effectively prevent the latch from retracting and prevent anyone from accessing the room.
The earliest locks have been found in ruins in iraq.
To ensure your door locks provide solid home security choose locks and deadbolts that are pick resistant and bump proof.
In lieu of using traditional door locks portable locks can be used to lock a door without a lock.
Researchers have discovered simple tumbler locks made entirely from wood that they estimate date as far back as 1000 to 2000 bce.
Archaeologists uncovered similar locks in slightly more recent ruins in egypt.
Deadbolts provide the highest level of front door security.
Although i think their use can be extended to some commercial and residential spaces as well.