Showing the officer that you can walk a straight line, is that good strategy or bad? You trying to show the officer that you can balance or that you can walk the straight line is not going to get you out of a DUI arrest. It's just going to provide evidence for this officer to write in his little report that you stumbled when you walked or you didn't touch your heel to toe or your arms were raised 6 in off of your side. Nothing good comes from you taking these tests, folks. Just trust me. You can argue with me all you want, but you ain't Dr. Judge.