Although balers with their own pick-up assembly were available as early as the 1930s, the real key to success was the automatic tie baler that allowed one man to pick up and bale hay in the field without additional help.
The key, of course, was the automatic knotter. Ironically, automatic knotters on modern balers work so quickly that even some farmers don’t fully understand how they work. The following video explanation was sent in by Dave Braun, Sheboygan, Wis.
