Welcome to the club, Cute!
I’ve worn a mini-med pump for 17 years. I, like Janlb, wear mine between the girls clipped to my bra. The mini-med clip (that comes in the box) has always been sufficient, although I’ll have to check out the one from “Nite ize”. A suggestion, tho, find an infant sock (ask any mom for an orphaned sock, there’s always a boat load that get lost!) and put your pump in that before you wear it between your breasts. It’s more comfortable, especially when you sweat at the beach, out dancing, exercising, or any outdoor activities in the summer. I wore mine without the sock and found the plastic began to absorb my body odor. I still want to know how Halle Berry wears hers on the red carpet!