When spectating teammates, I've seen several people occasionally wildly shake their crosshairs back and forth a couple of feet. Is this just a habit some people do to keep their hand loose, does it have something to do with clearing the flashbang effect, or is there some other mechanic I don't know about?
They might do it after taking shots, or when multiple enemies are near. Maybe they're just getting situational awareness?
I do that when clutching, being the only one alive. To check every angle quickly and expect an enemy to pop out of every corner. :d It helps keeping ur focus imo, instead of only focussing on only one spot.