I try to us my peripheral vision for obstructions, But then I only worry about immovable objects...I figure a human has enough sense to get out of the way. I used to put my hand out to feel for the wall if there wass not much space when I was new. I have a better sense for the floor now and pick up the little painted hints that I need to slow down (top of the key for example).
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I didn't say it was your fault...I said I was going to blame you.
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