LOCKED or DEEP HIDE

 From:  AlexPolo
11222.3 
many thanks Michael Ill have a play with the

The other thing is if you Ctrl+click on the Edit > Hide button it will trigger a "show subset" function where all hidden objects will be shown and you can select the ones you want to unhide, the ones you don't select will remain hidden after you finish the selection.

using the software daily and still finding hidden features see how it goes in the workflow.