Controlling distance out of a bunker can be done in many ways, try all these methods and see which one works best for you
There are two ways to practice the short game. First are how-to shots, where you learn how to control trajectory through set up and swing shape. Second are situational shots, where you move around the short game area and practice specific shots.
Set your body with the slope and have your swing bottom out at or just in front of the ball