They don´t,it´s still kind of "pawl" design I would say,just uses cylinders instead of classic pawls,here´s animation http://www.rbdesign.sk/anim.htm .So I think silent cluch and stealth hubs are the closest to that idea if not actually using it.
Jozef Dressler did something like this,prolly the best thing for beginners ever http://www.literama.sk/data/produkty/obrazky/1/8/7/5/9/skola-kola_b.jpg
Jump more and pedal less,you need to push rear wheel against the edge under certain angle,not straight down...Also you might need to change timing too,release the brake little later.
Three people already gave him useful advice,he bought the wrong set of cranks and that´s only his fault,not sellers.He was acting like it wasn´t his fault at all.That´s all.