Surviving The Street gives tips in making yourself a small target when doing CQB clearings by minimizing exposure... "Most CQB clearings being conducted are being done by at least two officers. These CQB clearings are typically done when a structure needs to be checked for suspects, but there is a greater likelihood the suspect is not present. Minimal officers, who usually have the least amount of training, means the reality of you conducting CQB at a high speed is dangerous and reckless."