Gary Churak's Answer
I have not heard about this test being done in a long time, because it is quite impossible for most people to do; therefore, they tend to not use those types of field sobriety tests. The three main field sobriety tests are the HGN, or Horizontal Gaze Nystagmus test, in which they basically watch the person’s eyeballs jerk about with a stimulus. In another test, the officer will move a pen back and forth at 90 degrees; another, the One Leg Stand, involves the officer asking the person to hold their leg up for 30 seconds, and then there’s the 10-step Walk and Turn. Those are the most-recognized field sobriety tests.