Step 1: Stare at the grass for an extended period of time, trying not to blink.
Step 2: Develop a keen sense of observation, noticing the subtle variations in blade length, width, and color.
Step 3: Identify the repeating patterns, taking into account the natural irregularities of the lawn's growth patterns.
Note: Do not attempt to strip the lawn with a pair of dull, rusty scissors, as this may cause more harm than good.
Also, do not attempt to strip the lawn with a lawnmower, unless you enjoy the sensation of being repeatedly woken up by the sound of your neighbor's lawn-mowing robot.
Next: Striping Tools - The Art of Choosing the Right Striping Shears