Always use same swing pose every time you shift the ball from sand bunker.
Every time when you have to hit the ball away from the bunker, always use the same swing posture, and then adjust the position of the ball only, but also taking into account the weight adjustment should swing up and down harder or lighter, to estimate the target distance. Unless you are in a really difficult situation, such as the ball into the sand, or in any case, the normal method is not applicable, then the use of special techniques.
Normally, the factor use to decide how deep the sand you should dig into is depends on individual experience in sand bunker shifting, but the basic approach is addressing openly , keep the putter floating a bit above the sand, then swing down to the same line where you are addressing. It is also useful to keep in mind that you should hit the ball on the left and slices from outside reach in and the power must come from the upper part of the body while your feet buried into the sand and do not be afraid to hit the sand.