I had an old laptop case with smaller case inside that used to hold power cord or something I can't remember.
I took the case to a local AutoUpholstery business and had them sew nylon belt straps on it.
With the dual zipper feature it's now my primary carry holster.
It's almost as fast access as an open carry holster when I have the dual zippers open to each top corner.
At a Christmas family get-together I had several people think it was somekind of new belt computer or CD player or something - None had any idea what was really in it - even with top section zippered open for easy access.
If I did everything right - you should be able to view from the following link:
When wearing tucked shirt this is my preferred holster - when wearing an overshirt of somekind I usually go back to my Fobus.