Bike Friday OSATA (One Size Adjusts To All), designed for bicycle schools, especially the Safe Routes to School program to encourage more kids to walk or bike to school. Notice the adjustable telescoping main tube (notice the two small clamp bolts) for adjustable reach:



That feature was later duplicated on the first generation Haul-A-Day cargo bike, to allow one frame model to fit all, so more easily mass-produced:



Second gen Haul-A-Days use twin parallel frame tubes with the same feature, probably a bit stronger, though less elegant in appearance: