This 7 Days to Die mod gives you more containers to be needed to lock pick. Some containers/chests/cabinets etc. are unlocked whilst others you come across will be locked and require you to lock pick them.
You can have both lock picking additions and Open Door Syndrome. But don’t use lock picking additions with Open Door Syndrome With Respawn and Lock Picking Additions as it is not compatible.
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The forum topic of the mod is here.