The best string video is where proportional stringing
the mains of the racquet is used,,Proportional stringing is the ultimate in stringing the mains all other methods are amateur-putting speed over quality work. When every string has the same tone or pitch they are all equal in tension,,case where art of stringing is superior to technology stringing. You use your ears not your eyes in this method.
Your all welcome, send your donations to the the North Pole care of Santa Claus.
Your not a mule, your ears are too short-Moe to Curly