Gotta watch those Amish; just when you think they don't embrace tech, this crops up. Actuall,y it is a very valuable race horse trainer that allows three people to ride behind the horse and study its every movement, yes even #2. ROUSCH Technologies came up with the mechanical mustang that is actually powered by a Volvo engine and uses a modified pickup suspension. The company developed this vehicle with the idea of mass producing the ultra odd gizmo.
Reminds me of this: