The yetzer hara's out to sabotage your davening. Portray this when you realize it has been at work - recoil as if receiving a blow from the yetzer hara.
This is another one of those Vizzes that you want to tone down. The last thing you need is to stumble backwards and collide with the person davening behind you. But some kind of movement is part and parcel of this Viz.
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