An animated safety film adapts the nursery rhyme "Three Blind Mice" into a song where the mice are factory workers who disregard safety rules and wind up injuring themselves. An animated safety film adapts the nursery rhyme "Three Blind Mice" into a song where the mice are factory workers who disregard safety rules and wind up injuring themselves. An animated safety film adapts the nursery rhyme "Three Blind Mice" into a song where the mice are factory workers who disregard safety rules and wind up injuring themselves. An animated safety film adapts the nursery rhyme "Three Blind Mice" into a song where the mice are factory workers who disregard safety rules and wind up injuring themselves.