Some ideas concerning looking around a corner and shooting around corners

1 Looking speed and minimal head exposure.

2 Looking high and or looking medium low.

Tests how effective these two are with airsoft and or paint bullets.
And also if it's possible to see all enemies and their positions while looking as fast as possible.

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Shooting at normal hight and shooting from a kneeled hight
-Does mixing this up work ?
-Real tests with airsoft and or paint bullets