The Puzzle lock is a device first created by a tomtur called Sombric Mauzerts. As a alternative means of protecting valuables and things saifly, where most locks and other things could be opened by magic and such. The puzzle lock is a magical device created to prevent the usual means of braking and entering.
There is no set look of a puzzle lock as many more has been built after the first was created. But the common consept is of course a puzzle like apparence that as ofthen as possible has a plain look as to not be ovious either.
The puzzle lock is a magical spell woven into a device, making it able to store/hide anything small enough for the spell to hold. When one soulves the puzzle of the lock, it will open and reveal it's content.