Fumbling with these maddening (Bras) things, has driven me to the brink of frustration! Just like trying to keep score while bowling(
Step 1:  Face the lady---kissing optional;P~~~ Now reach behind her with your dominant hand so that your palm is facing her back.

Step 2: Keeping your hand on the outside of the strap, pinch the middle (where the snaps come together) between your thumb and index and middle fingers.

Step 3: Push down and twist apart, as though you are snapping your fingers.

Whoo Hoo! You now have Free Range "Girls", kinda, sorta like those Free Range Chickens that taste sooooooo good ;P~~~

Lesson compliments of Popular Mechanics)

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Maybe you should!  That's a subject I would like to study often, not sure its a class I would ace all the time.

I have a fondness for black lace, very sheer back or front snap, on you they all look wonderful!!