I love it when complicated topics and broken down Barney-style. Maybe I am that dumb (as my wife contends) or that it appeals to my old Leatherneck tendencies. The NRA has been working on a series of barney-style videos from their Firearms Science Series. They are short videos using simple explanations and plenty of graphics to explain complex topics.
In the installment below, Jessie Duff explains sight alignment on a handgun and sight picture. While the short explanation is entertaining, it certainly will take practice to master.