To run drawing a small cart by a bicycle, a motorcycle, etc., on a general road or an narrow alley, etc.

This cart drawn tracing the rut of a rear wheel by arranging a universal joint at an about intermediate bent point between the rear wheel axles of the bicycle, the motorcycle, etc., and the small rear car axle can travel in a sharp curved corner or the narrow alley, to ensure safety and stability at the time drawing the light and small trailer.