A full bunker shot travels about one third the distance of a regular shot, so when you have to clear 30 yards of sand play your normal sand shot but with a longer club
Improve your impact by keeping your hands and body moving at the same speed, many times the body slows down for the arms and creates a hands swing where you are better off having the torso rotate and bring the arms along
Set up with your clubface open to one o'clock, play the ball forward, set your shaft neutral with the clubface, balance your weight evenly on your feet, and get the handle towards your left leg so you finish around on an arc.