Portable Studio doing Low Key Photography

Please issue whatever constructive advice you can give.. I must admit I have come a LONG way since first getting my D5300, which was a huge catalyst to improve my skills!

On this example, I would like to show my setup and process to the best of my ability and then reveal the final result.
Of all the photography Ive done, this one was the easiest to acquire the desired results.


Equipment used:
Portable backdrop stand
Black backdrop, satin (My felt one may work better)
Nikon D5300
Nikon DX AF-P 18-55
Godox X1T-N transmitter
Two Godox TT600 speedlights
- Primary is in 24X24 Godox soft box
- Secondary is rim light with grid
Two Cowboy Studio light stands


Before I start, I want "everything low".. My ISO is 100, shutter speed is 1/125 and F7 or so..
First, with all flashes off, I snap a shot and ensure everything is dark, there fore my speedlights will be doing ALL the work.

Next, I adjust my rim light until it is the intensity I am looking for...


Next, I shut OFF my rim light and adjust my key light for the intensity I am looking for...
the Godox X1T makes is SUPER EASY to cut on and off, and adjust power of each flash
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Lastly, I enable both flashes for the finished product. The image without the rim light
really does not have a very pleasing presentation as the finished one that does have
the rim light!



The position of the soft box is such that is is aimed straight across the front of the
model and about 1.5 feet in front. This position give a very nice feathered soft
box light which is IMHO softer and has much better wrap around light than if
position to pop with direct flash.


The rim light sits lower, Id guess between the elbow and shoulder and is pointed up
just a bit. I pop the flash at the speeedlight while aiming, the grid contains the
light and puts it right where I want it, and no where else.


I realize this is very elementary for the more experience photographers here, but I
do hope it gives a starting point for a more beginner level.. a point which we have
all been and sometimes need to revisit.

Hope this helps,
Andrew

For a more creative look, here is the primary flash off, and the rim light bumped up...

If this is the product you are looking for, its easy... but I am confident without a
grid you will never achieve it.