Right click to (un)lock, by default the gate is locked. Ensure you re-name your [[key]] when creating a gate lock for identification purposes. If the gate does not (un)lock, activate the key and try again as the prerequisites for unlocking gates doesn't seem to be consistent.
The key is required to be on you when replacing the old lock.
[[Category:Carpentry items]]
[[Category:Fences]]
[[Category:Babel/W]]