See, I don't think that looks as realistic as a good droop setup. Maybe the settings still need tweaked on that. Maybe the shock springs are too stiff. It looks good, but some spots the body moved a bit funny. But if I ever get a 450, I'd definitely want it on mine.
So I was looking through his vids and found this gem.
That didn't show how it works, but this does.
That is one of the coolest things I have ever seen in RC.