and by pushing the tires, you can feel the bubbles. plus you can work it back and forth faster than the steering column could ever do. I'm having a hell of a time getting the last bubbles out of the box and I've found I can feel the dead spot in the middle of travel, wiggle the tires back and forth vigorously at that spot, then hard to the pass side which pushes a bubble out. rinse and repeat until you're exhausted.