Applying slight pressure to a girl's bra strap with one hand, and quickly releasing it to unsnap the pins, in turn, unleashing the toys to your pleasure. (Make sure the hand you use is warm, usually a cold touch is a turn-off).
Guy: "Hey man, did you try the Pinch and Release like I told you?"
Buddy: "Yeah dude! It worked like a charm and totally got me some action!"