The Bang! Bang! Bang! I advocate is the one I practiced. It is a tough discipline.
And it is a lot like Classical warfare. The Greeks beat the Persians because the Persians used a mass attack, while the Greeks held together. Rome perfected this technique, locking shields and going in as a solid block. They formed an early tank, the testudo or tortoise, by forming a square and using the central shields as a roof. Bob Whitaker

The Mantra in Action : Bob?s Underground Graduate Seminar